45538241780 has 18 divisors (see below), whose sum is σ = 95632311894. Its totient is φ = 18214914976.

The previous prime is 45538241729. The next prime is 45538241789. The reversal of 45538241780 is 8714283554.

45538241780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 399840016 + 45138401764 = 19996^2 + 212458^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45538241789) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 930482 + ... + 978198.

Almost surely, 2^45538241780 is an apocalyptic number.

It is an amenable number.

45538241780 is an abundant number, since it is smaller than the sum of its proper divisors (50094070114).

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

45538241780 is an frugal number, since it uses more digits than its factorization.

45538241780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95443 (or 47724 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 47.

The spelling of 45538241780 in words is "forty-five billion, five hundred thirty-eight million, two hundred forty-one thousand, seven hundred eighty".