14564474640540 has 144 divisors (see below), whose sum is σ = 48196307498976. Its totient is φ = 3530698444800.

The previous prime is 14564474640517. The next prime is 14564474640563. The reversal of 14564474640540 is 4504647446541.

14564474640540 is a `hidden beast` number, since 1 + 4 + 5 + 64 + 474 + 64 + 0 + 54 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (14564474640517) and next prime (14564474640563).

It is a super-2 number, since 2×14564474640540² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 145838464 + ... + 145938296.

It is an arithmetic number, because the mean of its divisors is an integer number (334696579854).

Almost surely, 2^{14564474640540} is an apocalyptic number.

14564474640540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14564474640540 is an abundant number, since it is smaller than the sum of its proper divisors (33631832858436).

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

14564474640540 is a wasteful number, since it uses less digits than its factorization.

14564474640540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173540 (or 173535 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 54.

The spelling of 14564474640540 in words is "fourteen trillion, five hundred sixty-four billion, four hundred seventy-four million, six hundred forty thousand, five hundred forty".