44557692242 has 18 divisors (see below), whose sum is σ = 77752272663. Its totient is φ = 19095258252.

The previous prime is 44557692227. The next prime is 44557692251. The reversal of 44557692242 is 24229675544.

It can be written as a sum of positive squares in only one way, i.e., 22278846121 + 22278846121 = 149261^2 + 149261^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=149261.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2078993 + ... + 2100315.

Almost surely, 2^44557692242 is an apocalyptic number.

44557692242 is a deficient number, since it is larger than the sum of its proper divisors (33194580421).

44557692242 is an frugal number, since it uses more digits than its factorization.

44557692242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42662 (or 21332 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 50.

Multiplying 44557692242 by its sum of digits (50), we get a square (2227884612100 = 1492610²).

The spelling of 44557692242 in words is "forty-four billion, five hundred fifty-seven million, six hundred ninety-two thousand, two hundred forty-two".