42878275423524 has 36 divisors (see below), whose sum is σ = 108789676517340. Its totient is φ = 14239625540160.

The previous prime is 42878275423519. The next prime is 42878275423559. The reversal of 42878275423524 is 42532457287824.

42878275423524 is a `hidden beast` number, since 4 + 2 + 8 + 7 + 8 + 275 + 4 + 2 + 352 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16351655263524 + 26526620160000 = 4043718^2 + 5150400^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2213862447 + ... + 2213881814.

It is an arithmetic number, because the mean of its divisors is an integer number (3021935458815).

Almost surely, 2^{42878275423524} is an apocalyptic number.

It is an amenable number.

42878275423524 is an abundant number, since it is smaller than the sum of its proper divisors (65911401093816).

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

42878275423524 is a wasteful number, since it uses less digits than its factorization.

42878275423524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4427744540 (or 4427744535 counting only the distinct ones).

The product of its digits is 240844800, while the sum is 63.

The spelling of 42878275423524 in words is "forty-two trillion, eight hundred seventy-eight billion, two hundred seventy-five million, four hundred twenty-three thousand, five hundred twenty-four".