2631512442 has 16 divisors (see below), whose sum is σ = 5667873120. Its totient is φ = 809696112.

The previous prime is 2631512441. The next prime is 2631512447. The reversal of 2631512442 is 2442151362.

It is not an unprimeable number, because it can be changed into a prime (2631512441) 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, 16868592 + ... + 16868747.

It is an arithmetic number, because the mean of its divisors is an integer number (354242070).

Almost surely, 2^2631512442 is an apocalyptic number.

2631512442 is an abundant number, since it is smaller than the sum of its proper divisors (3036360678).

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

2631512442 is a wasteful number, since it uses less digits than its factorization.

2631512442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33737357.

The product of its digits is 11520, while the sum is 30.

The square root of 2631512442 is about 51298.2693860134. The cubic root of 2631512442 is about 1380.6019291785.

The spelling of 2631512442 in words is "two billion, six hundred thirty-one million, five hundred twelve thousand, four hundred forty-two".