42240974730 has 32 divisors (see below), whose sum is σ = 101542161600. Its totient is φ = 11246057472.

The previous prime is 42240974701. The next prime is 42240974749. The reversal of 42240974730 is 3747904224.

42240974730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42240974730² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1118775 + ... + 1155914.

It is an arithmetic number, because the mean of its divisors is an integer number (3173192550).

Almost surely, 2^42240974730 is an apocalyptic number.

42240974730 is an abundant number, since it is smaller than the sum of its proper divisors (59301186870).

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

42240974730 is a wasteful number, since it uses less digits than its factorization.

42240974730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275318.

The product of its (nonzero) digits is 338688, while the sum is 42.

The spelling of 42240974730 in words is "forty-two billion, two hundred forty million, nine hundred seventy-four thousand, seven hundred thirty".