42439819560 has 64 divisors (see below), whose sum is σ = 127630900800. Its totient is φ = 11289601536.

The previous prime is 42439819559. The next prime is 42439819601. The reversal of 42439819560 is 6591893424.

It is a super-2 number, since 2×42439819560² (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, 383274 + ... + 481433.

It is an arithmetic number, because the mean of its divisors is an integer number (1994232825).

Almost surely, 2^42439819560 is an apocalyptic number.

42439819560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42439819560 is an abundant number, since it is smaller than the sum of its proper divisors (85191081240).

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

42439819560 is a wasteful number, since it uses less digits than its factorization.

42439819560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865130 (or 865126 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 42439819560 in words is "forty-two billion, four hundred thirty-nine million, eight hundred nineteen thousand, five hundred sixty".