2531442064 has 20 divisors (see below), whose sum is σ = 4914435456. Its totient is φ = 1263200672.

The previous prime is 2531442037. The next prime is 2531442079. The reversal of 2531442064 is 4602441352.

2531442064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149224 + ... + 165319.

Almost surely, 2^2531442064 is an apocalyptic number.

It is an amenable number.

2531442064 is a deficient number, since it is larger than the sum of its proper divisors (2382993392).

2531442064 is a wasteful number, since it uses less digits than its factorization.

2531442064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315054 (or 315048 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 2531442064 is about 50313.4382049170. The cubic root of 2531442064 is about 1362.8749132288.

The spelling of 2531442064 in words is "two billion, five hundred thirty-one million, four hundred forty-two thousand, sixty-four".