7964436040 has 32 divisors (see below), whose sum is σ = 19549071360. Its totient is φ = 2896158400.

The previous prime is 7964436037. The next prime is 7964436041. The reversal of 7964436040 is 406344697.

It is not an unprimeable number, because it can be changed into a prime (7964436041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9050056 + ... + 9050935.

It is an arithmetic number, because the mean of its divisors is an integer number (610908480).

Almost surely, 2^7964436040 is an apocalyptic number.

It is an amenable number.

7964436040 is an abundant number, since it is smaller than the sum of its proper divisors (11584635320).

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

7964436040 is a wasteful number, since it uses less digits than its factorization.

7964436040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18101013 (or 18101009 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The square root of 7964436040 is about 89243.6890765952. The cubic root of 7964436040 is about 1997.0319341381.

The spelling of 7964436040 in words is "seven billion, nine hundred sixty-four million, four hundred thirty-six thousand, forty".