45244404440 has 32 divisors (see below), whose sum is σ = 102448331280. Its totient is φ = 17982486912.

The previous prime is 45244404409. The next prime is 45244404461. The reversal of 45244404440 is 4440444254.

It is a super-2 number, since 2×45244404440² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45244404440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3595982 + ... + 3608541.

Almost surely, 2^45244404440 is an apocalyptic number.

45244404440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45244404440 is an abundant number, since it is smaller than the sum of its proper divisors (57203926840).

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

45244404440 is a wasteful number, since it uses less digits than its factorization.

45244404440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7204691 (or 7204687 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 35.

Adding to 45244404440 its reverse (4440444254), we get a palindrome (49684848694).

The spelling of 45244404440 in words is "forty-five billion, two hundred forty-four million, four hundred four thousand, four hundred forty".