2635462540 has 24 divisors (see below), whose sum is σ = 5536460160. Its totient is φ = 1053806208.

The previous prime is 2635462517. The next prime is 2635462541. The reversal of 2635462540 is 452645362.

It is a self number, because there is not a number n which added to its sum of digits gives 2635462540.

It is not an unprimeable number, because it can be changed into a prime (2635462541) 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, 37189 + ... + 81571.

It is an arithmetic number, because the mean of its divisors is an integer number (230685840).

Almost surely, 2^2635462540 is an apocalyptic number.

2635462540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2635462540 is an abundant number, since it is smaller than the sum of its proper divisors (2900997620).

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

2635462540 is a wasteful number, since it uses less digits than its factorization.

2635462540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47361 (or 47359 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

The square root of 2635462540 is about 51336.7562278724. The cubic root of 2635462540 is about 1381.2923795819.

The spelling of 2635462540 in words is "two billion, six hundred thirty-five million, four hundred sixty-two thousand, five hundred forty".