45559445624 has 72 divisors (see below), whose sum is σ = 107350838280. Its totient is φ = 17743587840.

The previous prime is 45559445623. The next prime is 45559445627. The reversal of 45559445624 is 42654495554.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45559445623) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17568872 + ... + 17571464.

It is an arithmetic number, because the mean of its divisors is an integer number (1490983865).

Almost surely, 2^45559445624 is an apocalyptic number.

45559445624 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45559445624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53675419140).

45559445624 is an abundant number, since it is smaller than the sum of its proper divisors (61791392656).

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

45559445624 is an equidigital number, since it uses as much as digits as its factorization.

45559445624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221 (or 2613 counting only the distinct ones).

The product of its digits is 17280000, while the sum is 53.

The spelling of 45559445624 in words is "forty-five billion, five hundred fifty-nine million, four hundred forty-five thousand, six hundred twenty-four".