2818712732240 has 20 divisors (see below), whose sum is σ = 6553507102644. Its totient is φ = 1127485092864.

The previous prime is 2818712732179. The next prime is 2818712732263. The reversal of 2818712732240 is 422372178182.

It can be written as a sum of positive squares in 2 ways, for example, as 1688097335824 + 1130615396416 = 1299268^2 + 1063304^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17616954497 + ... + 17616954656.

Almost surely, 2^{2818712732240} is an apocalyptic number.

2818712732240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2818712732240 is an abundant number, since it is smaller than the sum of its proper divisors (3734794370404).

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

2818712732240 is a wasteful number, since it uses less digits than its factorization.

2818712732240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35233909166 (or 35233909160 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 47.

The spelling of 2818712732240 in words is "two trillion, eight hundred eighteen billion, seven hundred twelve million, seven hundred thirty-two thousand, two hundred forty".