42037038681 has 32 divisors (see below), whose sum is σ = 61340697600. Its totient is φ = 25395508800.

The previous prime is 42037038671. The next prime is 42037038731. The reversal of 42037038681 is 18683073024.

42037038681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42037038681 - 2⁷ = 42037038553 is a prime.

It is a super-2 number, since 2×42037038681² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42037038601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24144471 + ... + 24146211.

It is an arithmetic number, because the mean of its divisors is an integer number (1916896800).

Almost surely, 2^42037038681 is an apocalyptic number.

It is an amenable number.

42037038681 is a deficient number, since it is larger than the sum of its proper divisors (19303658919).

42037038681 is a wasteful number, since it uses less digits than its factorization.

42037038681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 42037038681 in words is "forty-two billion, thirty-seven million, thirty-eight thousand, six hundred eighty-one".