42431504420 has 12 divisors (see below), whose sum is σ = 89106159324. Its totient is φ = 16972601760.

The previous prime is 42431504383. The next prime is 42431504431. The reversal of 42431504420 is 2440513424.

It can be written as a sum of positive squares in 2 ways, for example, as 9464565796 + 32966938624 = 97286^2 + 181568^2 .

It is a super-3 number, since 3×42431504420³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1060787591 + ... + 1060787630.

It is an arithmetic number, because the mean of its divisors is an integer number (7425513277).

Almost surely, 2^42431504420 is an apocalyptic number.

It is an amenable number.

42431504420 is an abundant number, since it is smaller than the sum of its proper divisors (46674654904).

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

42431504420 is a wasteful number, since it uses less digits than its factorization.

42431504420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121575230 (or 2121575228 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The spelling of 42431504420 in words is "forty-two billion, four hundred thirty-one million, five hundred four thousand, four hundred twenty".