14891324540 has 24 divisors (see below), whose sum is σ = 31282938960. Its totient is φ = 5954404608.

The previous prime is 14891324533. The next prime is 14891324563. The reversal of 14891324540 is 4542319841.

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, 74750 + ... + 188069.

It is an arithmetic number, because the mean of its divisors is an integer number (1303455790).

Almost surely, 2^14891324540 is an apocalyptic number.

14891324540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14891324540 is an abundant number, since it is smaller than the sum of its proper divisors (16391614420).

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

14891324540 is a wasteful number, since it uses less digits than its factorization.

14891324540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265661 (or 265659 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 14891324540 in words is "fourteen billion, eight hundred ninety-one million, three hundred twenty-four thousand, five hundred forty".