2635215540 has 48 divisors (see below), whose sum is σ = 7417267200. Its totient is φ = 699041920.

The previous prime is 2635215497. The next prime is 2635215559. The reversal of 2635215540 is 455125362.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103515 + ... + 126434.

It is an arithmetic number, because the mean of its divisors is an integer number (154526400).

Almost surely, 2^2635215540 is an apocalyptic number.

2635215540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2635215540 is an abundant number, since it is smaller than the sum of its proper divisors (4782051660).

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

2635215540 is a wasteful number, since it uses less digits than its factorization.

2635215540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230152 (or 230150 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 2635215540 is about 51334.3504877582. The cubic root of 2635215540 is about 1381.2492258822.

The spelling of 2635215540 in words is "two billion, six hundred thirty-five million, two hundred fifteen thousand, five hundred forty".