42536122772 has 24 divisors (see below), whose sum is σ = 87451889952. Its totient is φ = 17847324000.

The previous prime is 42536122753. The next prime is 42536122777. The reversal of 42536122772 is 27722163524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42536122777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37181354 + ... + 37182497.

It is an arithmetic number, because the mean of its divisors is an integer number (3643828748).

Almost surely, 2^42536122772 is an apocalyptic number.

It is an amenable number.

42536122772 is an abundant number, since it is smaller than the sum of its proper divisors (44915767180).

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

42536122772 is a wasteful number, since it uses less digits than its factorization.

42536122772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74363879 (or 74363877 counting only the distinct ones).

The product of its digits is 282240, while the sum is 41.

The spelling of 42536122772 in words is "forty-two billion, five hundred thirty-six million, one hundred twenty-two thousand, seven hundred seventy-two".