545444403624 has 96 divisors (see below), whose sum is σ = 1498400467200. Its totient is φ = 179212279680.

The previous prime is 545444403617. The next prime is 545444403631. The reversal of 545444403624 is 426304444545.

545444403624 is a `hidden beast` number, since 5 + 4 + 544 + 4 + 40 + 3 + 62 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (545444403617) and next prime (545444403631).

It is a self number, because there is not a number n which added to its sum of digits gives 545444403624.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28203462 + ... + 28222794.

It is an arithmetic number, because the mean of its divisors is an integer number (15608338200).

Almost surely, 2^545444403624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545444403624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (749200233600).

545444403624 is an abundant number, since it is smaller than the sum of its proper divisors (952956063576).

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

545444403624 is a wasteful number, since it uses less digits than its factorization.

545444403624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24935 (or 24928 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 45.

The spelling of 545444403624 in words is "five hundred forty-five billion, four hundred forty-four million, four hundred three thousand, six hundred twenty-four".