2515127627640 has 64 divisors (see below), whose sum is σ = 7545703651200. Its totient is φ = 670672188032.

The previous prime is 2515127627561. The next prime is 2515127627647. The reversal of 2515127627640 is 467267215152.

It is a self number, because there is not a number n which added to its sum of digits gives 2515127627640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2515127627647) 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, 2468059 + ... + 3334901.

It is an arithmetic number, because the mean of its divisors is an integer number (117901619550).

Almost surely, 2^{2515127627640} is an apocalyptic number.

2515127627640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2515127627640 is an abundant number, since it is smaller than the sum of its proper divisors (5030576023560).

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

2515127627640 is a wasteful number, since it uses less digits than its factorization.

2515127627640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891036 (or 891032 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 48.

The spelling of 2515127627640 in words is "two trillion, five hundred fifteen billion, one hundred twenty-seven million, six hundred twenty-seven thousand, six hundred forty".