40788015628 has 6 divisors (see below), whose sum is σ = 71379027356. Its totient is φ = 20394007812.

The previous prime is 40788015617. The next prime is 40788015707. The reversal of 40788015628 is 82651088704.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5098501950 + ... + 5098501957.

Almost surely, 2^40788015628 is an apocalyptic number.

It is an amenable number.

40788015628 is a deficient number, since it is larger than the sum of its proper divisors (30591011728).

40788015628 is a wasteful number, since it uses less digits than its factorization.

40788015628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10197003911 (or 10197003909 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 49.

The spelling of 40788015628 in words is "forty billion, seven hundred eighty-eight million, fifteen thousand, six hundred twenty-eight".