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4043140440 = 233571474547
BaseRepresentation
bin1111000011111101…
…0110110101011000
3101102202212211000020
43300333112311120
531240020443230
61505110310440
7202123061313
oct36077266530
911382784006
104043140440
11179527a289
1294a058420
134c58477c1
142a4d8397a
15189e47810
hexf0fd6d58

4043140440 has 64 divisors (see below), whose sum is σ = 12300284160. Its totient is φ = 1062983040.

The previous prime is 4043140411. The next prime is 4043140441. The reversal of 4043140440 is 440413404.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4043140440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043140441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228754 + ... + 245793.

It is an arithmetic number, because the mean of its divisors is an integer number (192191940).

Almost surely, 24043140440 is an apocalyptic number.

4043140440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4043140440 is an abundant number, since it is smaller than the sum of its proper divisors (8257143720).

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

4043140440 is a wasteful number, since it uses less digits than its factorization.

4043140440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474632 (or 474628 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4043140440 is about 63585.6936739704. The cubic root of 4043140440 is about 1593.0874229749.

Adding to 4043140440 its reverse (440413404), we get a palindrome (4483553844).

The spelling of 4043140440 in words is "four billion, forty-three million, one hundred forty thousand, four hundred forty".