42826697749512 has 48 divisors (see below), whose sum is σ = 118456823571840. Its totient is φ = 13971830470368.

The previous prime is 42826697749499. The next prime is 42826697749513. The reversal of 42826697749512 is 21594779662824.

42826697749512 is a `hidden beast` number, since 4 + 2 + 8 + 2 + 6 + 69 + 7 + 7 + 49 + 512 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (42826697749513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6327818388 + ... + 6327825155.

It is an arithmetic number, because the mean of its divisors is an integer number (2467850491080).

Almost surely, 2^{42826697749512} is an apocalyptic number.

It is an amenable number.

42826697749512 is an abundant number, since it is smaller than the sum of its proper divisors (75630125822328).

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

42826697749512 is a wasteful number, since it uses less digits than its factorization.

42826697749512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12655643602 (or 12655643595 counting only the distinct ones).

The product of its digits is 731566080, while the sum is 72.

The spelling of 42826697749512 in words is "forty-two trillion, eight hundred twenty-six billion, six hundred ninety-seven million, seven hundred forty-nine thousand, five hundred twelve".