42047374934128 has 80 divisors (see below), whose sum is σ = 82738519056576. Its totient is φ = 20696412119040.

The previous prime is 42047374934119. The next prime is 42047374934161. The reversal of 42047374934128 is 82143947374024.

It is a super-2 number, since 2×42047374934128² (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 15 ways as a sum of consecutive naturals, for example, 2574373450 + ... + 2574389782.

Almost surely, 2^{42047374934128} is an apocalyptic number.

It is an amenable number.

42047374934128 is a deficient number, since it is larger than the sum of its proper divisors (40691144122448).

42047374934128 is a wasteful number, since it uses less digits than its factorization.

42047374934128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19682 (or 19676 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 58.

The spelling of 42047374934128 in words is "forty-two trillion, forty-seven billion, three hundred seventy-four million, nine hundred thirty-four thousand, one hundred twenty-eight".