14553661444 has 24 divisors (see below), whose sum is σ = 30819519360. Its totient is φ = 5870384256.

The previous prime is 14553661433. The next prime is 14553661453. The reversal of 14553661444 is 44416635541.

It is a super-2 number, since 2×14553661444² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14553661444.

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, 15286984 + ... + 15287935.

It is an arithmetic number, because the mean of its divisors is an integer number (1284146640).

Almost surely, 2^14553661444 is an apocalyptic number.

14553661444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

14553661444 is an abundant number, since it is smaller than the sum of its proper divisors (16265857916).

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

14553661444 is a wasteful number, since it uses less digits than its factorization.

14553661444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30574947 (or 30574945 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

The spelling of 14553661444 in words is "fourteen billion, five hundred fifty-three million, six hundred sixty-one thousand, four hundred forty-four".