2640993572 has 36 divisors (see below), whose sum is σ = 5380960284. Its totient is φ = 1130875200.

The previous prime is 2640993569. The next prime is 2640993613. The reversal of 2640993572 is 2753990462.

2640993572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 422960356 + 2218033216 = 20566^2 + 47096^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 249818 + ... + 260174.

It is an arithmetic number, because the mean of its divisors is an integer number (149471119).

Almost surely, 2^2640993572 is an apocalyptic number.

It is an amenable number.

2640993572 is an abundant number, since it is smaller than the sum of its proper divisors (2739966712).

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

2640993572 is a wasteful number, since it uses less digits than its factorization.

2640993572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11676 (or 11667 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 2640993572 is about 51390.5980895338. The cubic root of 2640993572 is about 1382.2580081705.

The spelling of 2640993572 in words is "two billion, six hundred forty million, nine hundred ninety-three thousand, five hundred seventy-two".