14881664540 has 24 divisors (see below), whose sum is σ = 31554912480. Its totient is φ = 5894872128.

The previous prime is 14881664533. The next prime is 14881664573. The reversal of 14881664540 is 4546618841.

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, 3609995 + ... + 3614114.

It is an arithmetic number, because the mean of its divisors is an integer number (1314788020).

Almost surely, 2^14881664540 is an apocalyptic number.

14881664540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14881664540 is an abundant number, since it is smaller than the sum of its proper divisors (16673247940).

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

14881664540 is a wasteful number, since it uses less digits than its factorization.

14881664540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7224221 (or 7224219 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 47.

The spelling of 14881664540 in words is "fourteen billion, eight hundred eighty-one million, six hundred sixty-four thousand, five hundred forty".