42518237431000 has 64 divisors (see below), whose sum is σ = 99499800348000. Its totient is φ = 17006077065600.

The previous prime is 42518237430959. The next prime is 42518237431013. The reversal of 42518237431000 is 13473281524.

It is a super-2 number, since 2×42518237431000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

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, 12513631 + ... + 15544369.

Almost surely, 2^{42518237431000} is an apocalyptic number.

42518237431000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42518237431000 is an abundant number, since it is smaller than the sum of its proper divisors (56981562917000).

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

42518237431000 is a wasteful number, since it uses less digits than its factorization.

42518237431000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044789 (or 3044775 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 42518237431000 in words is "forty-two trillion, five hundred eighteen billion, two hundred thirty-seven million, four hundred thirty-one thousand".