2764002640 has 40 divisors (see below), whose sum is σ = 7344351360. Its totient is φ = 947657856.

The previous prime is 2764002623. The next prime is 2764002653. The reversal of 2764002640 is 462004672.

2764002640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

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, 2467300 + ... + 2468419.

It is an arithmetic number, because the mean of its divisors is an integer number (183608784).

Almost surely, 2^2764002640 is an apocalyptic number.

2764002640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2764002640 is an abundant number, since it is smaller than the sum of its proper divisors (4580348720).

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

2764002640 is a wasteful number, since it uses less digits than its factorization.

2764002640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4935739 (or 4935733 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 2764002640 is about 52573.7828199569. The cubic root of 2764002640 is about 1403.3935769028.

The spelling of 2764002640 in words is "two billion, seven hundred sixty-four million, two thousand, six hundred forty".