2647852640 has 48 divisors (see below), whose sum is σ = 6269123952. Its totient is φ = 1056843264.

The previous prime is 2647852633. The next prime is 2647852651. The reversal of 2647852640 is 462587462.

It is a super-2 number, since 2×2647852640² = 14022247206309939200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2647852591 and 2647852600.

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, 57002 + ... + 92438.

It is an arithmetic number, because the mean of its divisors is an integer number (130606749).

Almost surely, 2^2647852640 is an apocalyptic number.

2647852640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2647852640 is an abundant number, since it is smaller than the sum of its proper divisors (3621271312).

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

2647852640 is a wasteful number, since it uses less digits than its factorization.

2647852640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35919 (or 35911 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 44.

The square root of 2647852640 is about 51457.2894738928. The cubic root of 2647852640 is about 1383.4536195141.

The spelling of 2647852640 in words is "two billion, six hundred forty-seven million, eight hundred fifty-two thousand, six hundred forty".