2513712640 has 40 divisors (see below), whose sum is σ = 6027024960. Its totient is φ = 1005484032.

The previous prime is 2513712637. The next prime is 2513712659. The reversal of 2513712640 is 462173152.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 488400 + ... + 493519.

It is an arithmetic number, because the mean of its divisors is an integer number (150675624).

Almost surely, 2^2513712640 is an apocalyptic number.

2513712640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2513712640 is an abundant number, since it is smaller than the sum of its proper divisors (3513312320).

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

2513712640 is an frugal number, since it uses more digits than its factorization.

2513712640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981942 (or 981926 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2513712640 is about 50136.9388774385. The cubic root of 2513712640 is about 1359.6857405375.

Adding to 2513712640 its reverse (462173152), we get a palindrome (2975885792).

The spelling of 2513712640 in words is "two billion, five hundred thirteen million, seven hundred twelve thousand, six hundred forty".