42561416524 has 18 divisors (see below), whose sum is σ = 81869171972. Its totient is φ = 19346098200.

The previous prime is 42561416473. The next prime is 42561416561.

42561416524 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×42561416524² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43967922 + ... + 43968889.

Almost surely, 2^42561416524 is an apocalyptic number.

42561416524 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42561416524 is a deficient number, since it is larger than the sum of its proper divisors (39307755448).

42561416524 is a wasteful number, since it uses less digits than its factorization.

42561416524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87936837 (or 87936824 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

The spelling of 42561416524 in words is "forty-two billion, five hundred sixty-one million, four hundred sixteen thousand, five hundred twenty-four".