40936932128 has 24 divisors (see below), whose sum is σ = 81915811740. Its totient is φ = 20132916480.

The previous prime is 40936932109. The next prime is 40936932131. The reversal of 40936932128 is 82123963904.

It can be written as a sum of positive squares in 2 ways, for example, as 37895630224 + 3041301904 = 194668^2 + 55148^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10483943 + ... + 10487846.

Almost surely, 2^40936932128 is an apocalyptic number.

It is an amenable number.

40936932128 is an abundant number, since it is smaller than the sum of its proper divisors (40978879612).

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

40936932128 is a wasteful number, since it uses less digits than its factorization.

40936932128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20971860 (or 20971852 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 40936932128 in words is "forty billion, nine hundred thirty-six million, nine hundred thirty-two thousand, one hundred twenty-eight".