4007040032 has 12 divisors (see below), whose sum is σ = 7888860126. Its totient is φ = 2003520000.

The previous prime is 4007040031. The next prime is 4007040043. The reversal of 4007040032 is 2300407004.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3519336976 + 487703056 = 59324^2 + 22084^2 .

It is a super-2 number, since 2×4007040032² = 32112739636101122048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4007039986 and 4007040013.

It is not an unprimeable number, because it can be changed into a prime (4007040031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62609969 + ... + 62610032.

Almost surely, 2^4007040032 is an apocalyptic number.

It is an amenable number.

4007040032 is a deficient number, since it is larger than the sum of its proper divisors (3881820094).

4007040032 is a wasteful number, since it uses less digits than its factorization.

4007040032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125220011 (or 125220003 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 4007040032 is about 63301.1850757946. The cubic root of 4007040032 is about 1588.3317856655.

Adding to 4007040032 its reverse (2300407004), we get a palindrome (6307447036).

The spelling of 4007040032 in words is "four billion, seven million, forty thousand, thirty-two".