2531162480 has 80 divisors (see below), whose sum is σ = 7337101824. Its totient is φ = 788931840.

The previous prime is 2531162477. The next prime is 2531162483. The reversal of 2531162480 is 842611352.

It is an interprime number because it is at equal distance from previous prime (2531162477) and next prime (2531162483).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531162483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199292 + ... + 211611.

Almost surely, 2^2531162480 is an apocalyptic number.

2531162480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2531162480 is an abundant number, since it is smaller than the sum of its proper divisors (4805939344).

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

2531162480 is a wasteful number, since it uses less digits than its factorization.

2531162480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410934 (or 410928 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 2531162480 is about 50310.6597054739. The cubic root of 2531162480 is about 1362.8247373424.

The spelling of 2531162480 in words is "two billion, five hundred thirty-one million, one hundred sixty-two thousand, four hundred eighty".