40889969690736 has 40 divisors (see below), whose sum is σ = 105634843730944. Its totient is φ = 13629677376960.

The previous prime is 40889969690723. The next prime is 40889969690753. The reversal of 40889969690736 is 63709696998804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7646266 + ... + 11842521.

Almost surely, 2^{40889969690736} is an apocalyptic number.

It is an amenable number.

40889969690736 is an abundant number, since it is smaller than the sum of its proper divisors (64744874040208).

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

40889969690736 is a wasteful number, since it uses less digits than its factorization.

40889969690736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19532509 (or 19532503 counting only the distinct ones).

The product of its (nonzero) digits is 7618738176, while the sum is 84.

The spelling of 40889969690736 in words is "forty trillion, eight hundred eighty-nine billion, nine hundred sixty-nine million, six hundred ninety thousand, seven hundred thirty-six".