2650264440 has 32 divisors (see below), whose sum is σ = 7950793680. Its totient is φ = 706737152.

The previous prime is 2650264411. The next prime is 2650264531. The reversal of 2650264440 is 444620562.

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, 11042649 + ... + 11042888.

Almost surely, 2^2650264440 is an apocalyptic number.

2650264440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2650264440 is an abundant number, since it is smaller than the sum of its proper divisors (5300529240).

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

2650264440 is a wasteful number, since it uses less digits than its factorization.

2650264440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22085551 (or 22085547 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 2650264440 is about 51480.7191091966. The cubic root of 2650264440 is about 1383.8735322197.

The spelling of 2650264440 in words is "two billion, six hundred fifty million, two hundred sixty-four thousand, four hundred forty".