4025927520 has 144 divisors (see below), whose sum is σ = 13755111552. Its totient is φ = 1072281600.

The previous prime is 4025927497. The next prime is 4025927527. The reversal of 4025927520 is 257295204.

It is a happy number.

4025927520 is a `hidden beast` number, since 40 + 2 + 5 + 92 + 7 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025927527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2062545 + ... + 2064495.

It is an arithmetic number, because the mean of its divisors is an integer number (95521608).

Almost surely, 2^4025927520 is an apocalyptic number.

4025927520 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 4025927520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6877555776).

4025927520 is an abundant number, since it is smaller than the sum of its proper divisors (9729184032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4025927520 is a wasteful number, since it uses less digits than its factorization.

4025927520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405 (or 3394 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 4025927520 is about 63450.1971628142. The cubic root of 4025927520 is about 1590.8234491061.

The spelling of 4025927520 in words is "four billion, twenty-five million, nine hundred twenty-seven thousand, five hundred twenty".