2747989507540 has 48 divisors (see below), whose sum is σ = 6131089761552. Its totient is φ = 1031006345216.

The previous prime is 2747989507537. The next prime is 2747989507553. The reversal of 2747989507540 is 457059897472.

It can be written as a sum of positive squares in 8 ways, for example, as 524135236 + 2747465372304 = 22894^2 + 1657548^2 .

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, 13692739 + ... + 13891978.

It is an arithmetic number, because the mean of its divisors is an integer number (127731036699).

Almost surely, 2^{2747989507540} is an apocalyptic number.

2747989507540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2747989507540 is an abundant number, since it is smaller than the sum of its proper divisors (3383100254012).

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

2747989507540 is a wasteful number, since it uses less digits than its factorization.

2747989507540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27585036 (or 27585034 counting only the distinct ones).

The product of its (nonzero) digits is 177811200, while the sum is 67.

The spelling of 2747989507540 in words is "two trillion, seven hundred forty-seven billion, nine hundred eighty-nine million, five hundred seven thousand, five hundred forty".