42213638542000 has 40 divisors (see below), whose sum is σ = 102072577999392. Its totient is φ = 16885455416000.

The previous prime is 42213638541937. The next prime is 42213638542021. The reversal of 42213638542000 is 24583631224.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10553407636 + ... + 10553411635.

Almost surely, 2^{42213638542000} is an apocalyptic number.

42213638542000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42213638542000 is an abundant number, since it is smaller than the sum of its proper divisors (59858939457392).

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

42213638542000 is a wasteful number, since it uses less digits than its factorization.

42213638542000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21106819294 (or 21106819278 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 42213638542000 in words is "forty-two trillion, two hundred thirteen billion, six hundred thirty-eight million, five hundred forty-two thousand".