2503664440 has 16 divisors (see below), whose sum is σ = 5633245080. Its totient is φ = 1001465760.

The previous prime is 2503664413. The next prime is 2503664441. The reversal of 2503664440 is 444663052.

2503664440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2503664396 and 2503664405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2503664441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31295766 + ... + 31295845.

Almost surely, 2^2503664440 is an apocalyptic number.

2503664440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2503664440 is an abundant number, since it is smaller than the sum of its proper divisors (3129580640).

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

2503664440 is a wasteful number, since it uses less digits than its factorization.

2503664440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62591622 (or 62591618 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 2503664440 is about 50036.6309817118. The cubic root of 2503664440 is about 1357.8716059313.

The spelling of 2503664440 in words is "two billion, five hundred three million, six hundred sixty-four thousand, four hundred forty".