42481456445504 has 28 divisors (see below), whose sum is σ = 85168203446844. Its totient is φ = 21021751640064.

The previous prime is 42481456445497. The next prime is 42481456445677. The reversal of 42481456445504 is 40554465418424.

It can be written as a sum of positive squares in 2 ways, for example, as 29326037283904 + 13155419161600 = 5415352^2 + 3627040^2 .

It is a super-2 number, since 2×42481456445504² (a number of 28 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 42481456445504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3421502849 + ... + 3421515264.

It is an arithmetic number, because the mean of its divisors is an integer number (3041721551673).

Almost surely, 2^{42481456445504} is an apocalyptic number.

It is an amenable number.

42481456445504 is an abundant number, since it is smaller than the sum of its proper divisors (42686747001340).

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

42481456445504 is an equidigital number, since it uses as much as digits as its factorization.

42481456445504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6843018222 (or 6843018212 counting only the distinct ones).

The product of its (nonzero) digits is 49152000, while the sum is 56.

The spelling of 42481456445504 in words is "forty-two trillion, four hundred eighty-one billion, four hundred fifty-six million, four hundred forty-five thousand, five hundred four".