42446634526431 has 16 divisors (see below), whose sum is σ = 62959758165600. Its totient is φ = 28263621527424.

The previous prime is 42446634526411. The next prime is 42446634526453. The reversal of 42446634526431 is 13462543664424.

42446634526431 is a `hidden beast` number, since 4 + 2 + 4 + 4 + 6 + 6 + 345 + 264 + 31 = 666.

It is not a de Polignac number, because 42446634526431 - 2²⁹ = 42446097655519 is a prime.

It is a super-2 number, since 2×42446634526431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42446634526411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 948166746 + ... + 948211511.

It is an arithmetic number, because the mean of its divisors is an integer number (3934984885350).

Almost surely, 2^{42446634526431} is an apocalyptic number.

42446634526431 is a deficient number, since it is larger than the sum of its proper divisors (20513123639169).

42446634526431 is a wasteful number, since it uses less digits than its factorization.

42446634526431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896379095 (or 1896379089 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 54.

The spelling of 42446634526431 in words is "forty-two trillion, four hundred forty-six billion, six hundred thirty-four million, five hundred twenty-six thousand, four hundred thirty-one".