45444254544 has 60 divisors (see below), whose sum is σ = 136963939476. Its totient is φ = 13982846976.

The previous prime is 45444254507. The next prime is 45444254561. The reversal of 45444254544 is 44545244454.

45444254544 is a `hidden beast` number, since 4 + 54 + 4 + 4 + 2 + 54 + 544 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 29343690000 + 16100564544 = 171300^2 + 126888^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45444254544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12136017 + ... + 12139760.

Almost surely, 2^45444254544 is an apocalyptic number.

It is an amenable number.

45444254544 is an abundant number, since it is smaller than the sum of its proper divisors (91519684932).

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

45444254544 is a wasteful number, since it uses less digits than its factorization.

45444254544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24275804 (or 24275795 counting only the distinct ones).

The product of its digits is 4096000, while the sum is 45.

Adding to 45444254544 its reverse (44545244454), we get a palindrome (89989498998).

The spelling of 45444254544 in words is "forty-five billion, four hundred forty-four million, two hundred fifty-four thousand, five hundred forty-four".