2640012627500 has 60 divisors (see below), whose sum is σ = 5907439845384. Its totient is φ = 1031446752000.

The previous prime is 2640012627467. The next prime is 2640012627521. The reversal of 2640012627500 is 57262100462.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12171629 + ... + 12386628.

Almost surely, 2^{2640012627500} is an apocalyptic number.

2640012627500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2640012627500 is an abundant number, since it is smaller than the sum of its proper divisors (3267427217884).

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

2640012627500 is a wasteful number, since it uses less digits than its factorization.

2640012627500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24558324 (or 24558307 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

Adding to 2640012627500 its reverse (57262100462), we get a palindrome (2697274727962).

The spelling of 2640012627500 in words is "two trillion, six hundred forty billion, twelve million, six hundred twenty-seven thousand, five hundred".