42786400665496 has 32 divisors (see below), whose sum is σ = 81244482696000. Its totient is φ = 21121235156736.

The previous prime is 42786400665451. The next prime is 42786400665523. The reversal of 42786400665496 is 69456600468724.

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, 9654990 + ... + 13371298.

It is an arithmetic number, because the mean of its divisors is an integer number (2538890084250).

Almost surely, 2^{42786400665496} is an apocalyptic number.

It is an amenable number.

42786400665496 is a deficient number, since it is larger than the sum of its proper divisors (38458082030504).

42786400665496 is a wasteful number, since it uses less digits than its factorization.

42786400665496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3734611 (or 3734607 counting only the distinct ones).

The product of its (nonzero) digits is 418037760, while the sum is 67.

The spelling of 42786400665496 in words is "forty-two trillion, seven hundred eighty-six billion, four hundred million, six hundred sixty-five thousand, four hundred ninety-six".