42959672500 has 30 divisors (see below), whose sum is σ = 93944217290. Its totient is φ = 17183868000.

The previous prime is 42959672491. The next prime is 42959672507. The reversal of 42959672500 is 527695924.

It can be written as a sum of positive squares in 5 ways, for example, as 26288731044 + 16670941456 = 162138^2 + 129116^2 .

It is a super-2 number, since 2×42959672500² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42959672507) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8589435 + ... + 8594434.

Almost surely, 2^42959672500 is an apocalyptic number.

It is an amenable number.

42959672500 is an abundant number, since it is smaller than the sum of its proper divisors (50984544790).

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

42959672500 is a wasteful number, since it uses less digits than its factorization.

42959672500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17183893 (or 17183876 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 42959672500 in words is "forty-two billion, nine hundred fifty-nine million, six hundred seventy-two thousand, five hundred".