45554420440 has 32 divisors (see below), whose sum is σ = 102767922000. Its totient is φ = 18173683584.

The previous prime is 45554420393. The next prime is 45554420453. The reversal of 45554420440 is 4402445554.

It is a self number, because there is not a number n which added to its sum of digits gives 45554420440.

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, 1487295 + ... + 1517614.

Almost surely, 2^45554420440 is an apocalyptic number.

45554420440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45554420440 is an abundant number, since it is smaller than the sum of its proper divisors (57213501560).

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

45554420440 is a wasteful number, since it uses less digits than its factorization.

45554420440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005299 (or 3005295 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 37.

Adding to 45554420440 its reverse (4402445554), we get a palindrome (49956865994).

The spelling of 45554420440 in words is "forty-five billion, five hundred fifty-four million, four hundred twenty thousand, four hundred forty".