2640275027764 has 24 divisors (see below), whose sum is σ = 5045847756768. Its totient is φ = 1198857702240.

The previous prime is 2640275027713. The next prime is 2640275027771. The reversal of 2640275027764 is 4677205720462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31640619 + ... + 31723954.

It is an arithmetic number, because the mean of its divisors is an integer number (210243656532).

Almost surely, 2^{2640275027764} is an apocalyptic number.

It is an amenable number.

2640275027764 is a deficient number, since it is larger than the sum of its proper divisors (2405572729004).

2640275027764 is a wasteful number, since it uses less digits than its factorization.

2640275027764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63365535 (or 63365533 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 52.

The spelling of 2640275027764 in words is "two trillion, six hundred forty billion, two hundred seventy-five million, twenty-seven thousand, seven hundred sixty-four".