42885016164442 has 32 divisors (see below), whose sum is σ = 68779751457600. Its totient is φ = 19994478058368.

The previous prime is 42885016164401. The next prime is 42885016164449. The reversal of 42885016164442 is 24446161058824.

It is a super-2 number, since 2×42885016164442² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42885016164449) 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, 3723723 + ... + 9981790.

It is an arithmetic number, because the mean of its divisors is an integer number (2149367233050).

Almost surely, 2^{42885016164442} is an apocalyptic number.

42885016164442 is a deficient number, since it is larger than the sum of its proper divisors (25894735293158).

42885016164442 is a wasteful number, since it uses less digits than its factorization.

42885016164442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13706830.

The product of its (nonzero) digits is 11796480, while the sum is 55.

The spelling of 42885016164442 in words is "forty-two trillion, eight hundred eighty-five billion, sixteen million, one hundred sixty-four thousand, four hundred forty-two".