42038916586840 has 32 divisors (see below), whose sum is σ = 94653293904000. Its totient is φ = 16803881019904.

The previous prime is 42038916586813. The next prime is 42038916586949. The reversal of 42038916586840 is 4868561983024.

It is a super-2 number, since 2×42038916586840² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365117185 + ... + 365232304.

It is an arithmetic number, because the mean of its divisors is an integer number (2957915434500).

Almost surely, 2^{42038916586840} is an apocalyptic number.

42038916586840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42038916586840 is an abundant number, since it is smaller than the sum of its proper divisors (52614377317160).

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

42038916586840 is a wasteful number, since it uses less digits than its factorization.

42038916586840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730350939 (or 730350935 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 64.

The spelling of 42038916586840 in words is "forty-two trillion, thirty-eight billion, nine hundred sixteen million, five hundred eighty-six thousand, eight hundred forty".