8007640404 has 24 divisors (see below), whose sum is σ = 18689686848. Its totient is φ = 2668471680.

The previous prime is 8007640393. The next prime is 8007640409. The reversal of 8007640404 is 4040467008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8007640409) 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, 46837 + ... + 134940.

It is an arithmetic number, because the mean of its divisors is an integer number (778736952).

Almost surely, 2^8007640404 is an apocalyptic number.

It is an amenable number.

8007640404 is an abundant number, since it is smaller than the sum of its proper divisors (10682046444).

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

8007640404 is a wasteful number, since it uses less digits than its factorization.

8007640404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185455 (or 185453 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 8007640404 is about 89485.4200638294. The cubic root of 8007640404 is about 2000.6364977472.

The spelling of 8007640404 in words is "eight billion, seven million, six hundred forty thousand, four hundred four".