4000492520 has 64 divisors (see below), whose sum is σ = 9065571840. Its totient is φ = 1588787200.

The previous prime is 4000492501. The next prime is 4000492543. The reversal of 4000492520 is 252940004.

It is a self number, because there is not a number n which added to its sum of digits gives 4000492520.

It is an unprimeable number.

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, 4390865 + ... + 4391775.

It is an arithmetic number, because the mean of its divisors is an integer number (141649560).

Almost surely, 2^4000492520 is an apocalyptic number.

4000492520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4000492520 is an abundant number, since it is smaller than the sum of its proper divisors (5065079320).

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

4000492520 is a wasteful number, since it uses less digits than its factorization.

4000492520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586 (or 1582 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 4000492520 is about 63249.4467959997. The cubic root of 4000492520 is about 1587.4662015248.

The spelling of 4000492520 in words is "four billion, four hundred ninety-two thousand, five hundred twenty".