14521624640 has 28 divisors (see below), whose sum is σ = 34579619436. Its totient is φ = 5808649728.

The previous prime is 14521624591. The next prime is 14521624651. The reversal of 14521624640 is 4642612541.

It can be written as a sum of positive squares in 2 ways, for example, as 3358434304 + 11163190336 = 57952^2 + 105656^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 14521624640.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22689719 + ... + 22690358.

Almost surely, 2^14521624640 is an apocalyptic number.

14521624640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14521624640 is an abundant number, since it is smaller than the sum of its proper divisors (20057994796).

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

14521624640 is an equidigital number, since it uses as much as digits as its factorization.

14521624640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45380094 (or 45380084 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 14521624640 in words is "fourteen billion, five hundred twenty-one million, six hundred twenty-four thousand, six hundred forty".