42037981146 has 48 divisors (see below), whose sum is σ = 104717418624. Its totient is φ = 11938924512.

The previous prime is 42037981129. The next prime is 42037981147. The reversal of 42037981146 is 64118973024.

42037981146 is a `hidden beast` number, since 420 + 3 + 7 + 9 + 81 + 146 = 666.

It is not an unprimeable number, because it can be changed into a prime (42037981147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 977865 + ... + 1019948.

It is an arithmetic number, because the mean of its divisors is an integer number (2181612888).

Almost surely, 2^42037981146 is an apocalyptic number.

42037981146 is an abundant number, since it is smaller than the sum of its proper divisors (62679437478).

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

42037981146 is a wasteful number, since it uses less digits than its factorization.

42037981146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997995 (or 1997992 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 42037981146 in words is "forty-two billion, thirty-seven million, nine hundred eighty-one thousand, one hundred forty-six".