42404134564 has 48 divisors (see below), whose sum is σ = 85968348480. Its totient is φ = 18098519040.

The previous prime is 42404134559. The next prime is 42404134589. The reversal of 42404134564 is 46543140424.

It is a super-2 number, since 2×42404134564² (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 15 ways as a sum of consecutive naturals, for example, 129969 + ... + 318904.

It is an arithmetic number, because the mean of its divisors is an integer number (1791007260).

Almost surely, 2^42404134564 is an apocalyptic number.

42404134564 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42404134564 is an abundant number, since it is smaller than the sum of its proper divisors (43564213916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42404134564 is a wasteful number, since it uses less digits than its factorization.

42404134564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449020 (or 449018 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 42404134564 its reverse (46543140424), we get a palindrome (88947274988).

The spelling of 42404134564 in words is "forty-two billion, four hundred four million, one hundred thirty-four thousand, five hundred sixty-four".