42878306082612 has 144 divisors (see below), whose sum is σ = 135349703194496. Its totient is φ = 10280512915200.

The previous prime is 42878306082607. The next prime is 42878306082631. The reversal of 42878306082612 is 21628060387824.

It is a super-2 number, since 2×42878306082612² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 162123439 + ... + 162387702.

Almost surely, 2^{42878306082612} is an apocalyptic number.

42878306082612 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42878306082612 is an abundant number, since it is smaller than the sum of its proper divisors (92471397111884).

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

42878306082612 is a wasteful number, since it uses less digits than its factorization.

42878306082612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324511190 (or 324511177 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 57.

The spelling of 42878306082612 in words is "forty-two trillion, eight hundred seventy-eight billion, three hundred six million, eighty-two thousand, six hundred twelve".