42501452544 has 72 divisors (see below), whose sum is σ = 125684292720. Its totient is φ = 14167148544.

The previous prime is 42501452533. The next prime is 42501452563. The reversal of 42501452544 is 44525410524.

42501452544 is a `hidden beast` number, since 4 + 2 + 50 + 14 + 52 + 544 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 42501452499 and 42501452508.

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, 3067557 + ... + 3081380.

Almost surely, 2^42501452544 is an apocalyptic number.

It is an amenable number.

42501452544 is an abundant number, since it is smaller than the sum of its proper divisors (83182840176).

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

42501452544 is an equidigital number, since it uses as much as digits as its factorization.

42501452544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6148962 (or 6148942 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

The spelling of 42501452544 in words is "forty-two billion, five hundred one million, four hundred fifty-two thousand, five hundred forty-four".