2631614540 has 12 divisors (see below), whose sum is σ = 5526390576. Its totient is φ = 1052645808.

The previous prime is 2631614537. The next prime is 2631614549. The reversal of 2631614540 is 454161362.

It is a junction number, because it is equal to n+sod(n) for n = 2631614497 and 2631614506.

It is not an unprimeable number, because it can be changed into a prime (2631614549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65790344 + ... + 65790383.

It is an arithmetic number, because the mean of its divisors is an integer number (460532548).

Almost surely, 2^2631614540 is an apocalyptic number.

2631614540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2631614540 is an abundant number, since it is smaller than the sum of its proper divisors (2894776036).

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

2631614540 is a wasteful number, since it uses less digits than its factorization.

2631614540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131580736 (or 131580734 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2631614540 is about 51299.2645171449. The cubic root of 2631614540 is about 1380.6197839136.

The spelling of 2631614540 in words is "two billion, six hundred thirty-one million, six hundred fourteen thousand, five hundred forty".