45444040440 has 64 divisors (see below), whose sum is σ = 137247156000. Its totient is φ = 12037074432.

The previous prime is 45444040427. The next prime is 45444040451. The reversal of 45444040440 is 4404044454.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1252927 + ... + 1288686.

Almost surely, 2^45444040440 is an apocalyptic number.

45444040440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45444040440 is an abundant number, since it is smaller than the sum of its proper divisors (91803115560).

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

45444040440 is a wasteful number, since it uses less digits than its factorization.

45444040440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541776 (or 2541772 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 33.

Adding to 45444040440 its reverse (4404044454), we get a palindrome (49848084894).

The spelling of 45444040440 in words is "forty-five billion, four hundred forty-four million, forty thousand, four hundred forty".