| Base | Representation |
|---|---|
| bin | 1111010110110001100000 |
| 3 | 21120111212101 |
| 4 | 33112301200 |
| 5 | 2012303230 |
| 6 | 222140144 |
| 7 | 46133656 |
| oct | 17266140 |
| 9 | 7514771 |
| 10 | 4025440 |
| 11 | 22aa411 |
| 12 | 1421654 |
| 13 | aac323 |
| 14 | 76add6 |
| 15 | 547aca |
| hex | 3d6c60 |
4025440 has 48 divisors (see below), whose sum is σ = 9631440. Its totient is φ = 1589760.
The previous prime is 4025431. The next prime is 4025449. The reversal of 4025440 is 445204.
4025440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (4025431) and next prime (4025449).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4025449) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22150 + ... + 22330.
It is an arithmetic number, because the mean of its divisors is an integer number (200655).
Almost surely, 24025440 is an apocalyptic number.
4025440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 4025440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4815720).
4025440 is an abundant number, since it is smaller than the sum of its proper divisors (5606000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4025440 is a wasteful number, since it uses less digits than its factorization.
4025440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 335 (or 327 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 19.
The square root of 4025440 is about 2006.3499196302. The cubic root of 4025440 is about 159.0759232885.
It can be divided in two parts, 4025 and 440, that added together give a triangular number (4465 = T94).
The spelling of 4025440 in words is "four million, twenty-five thousand, four hundred forty".
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