42255516323564 has 48 divisors (see below), whose sum is σ = 74924832685920. Its totient is φ = 20849019079680.

The previous prime is 42255516323557. The next prime is 42255516323663. The reversal of 42255516323564 is 46532361555224.

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, 3535133012 + ... + 3535144964.

It is an arithmetic number, because the mean of its divisors is an integer number (1560934014290).

Almost surely, 2^{42255516323564} is an apocalyptic number.

It is an amenable number.

42255516323564 is a deficient number, since it is larger than the sum of its proper divisors (32669316362356).

42255516323564 is a wasteful number, since it uses less digits than its factorization.

42255516323564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23490 (or 23488 counting only the distinct ones).

The product of its digits is 25920000, while the sum is 53.

Adding to 42255516323564 its reverse (46532361555224), we get a palindrome (88787877878788).

The spelling of 42255516323564 in words is "forty-two trillion, two hundred fifty-five billion, five hundred sixteen million, three hundred twenty-three thousand, five hundred sixty-four".