40264428792 has 32 divisors (see below), whose sum is σ = 115041225600. Its totient is φ = 11504122464.

The previous prime is 40264428779. The next prime is 40264428829. The reversal of 40264428792 is 29782446204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119834442 + ... + 119834777.

It is an arithmetic number, because the mean of its divisors is an integer number (3595038300).

Almost surely, 2^40264428792 is an apocalyptic number.

40264428792 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40264428792 is an abundant number, since it is smaller than the sum of its proper divisors (74776796808).

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

40264428792 is a wasteful number, since it uses less digits than its factorization.

40264428792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239669235 (or 239669231 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 48.

The spelling of 40264428792 in words is "forty billion, two hundred sixty-four million, four hundred twenty-eight thousand, seven hundred ninety-two".