44554445502 has 24 divisors (see below), whose sum is σ = 103657282056. Its totient is φ = 12729841488.

The previous prime is 44554445477. The next prime is 44554445531. The reversal of 44554445502 is 20554445544.

It is a super-2 number, since 2×44554445502² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 75772573 + ... + 75773160.

It is an arithmetic number, because the mean of its divisors is an integer number (4319053419).

Almost surely, 2^44554445502 is an apocalyptic number.

44554445502 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

44554445502 is an abundant number, since it is smaller than the sum of its proper divisors (59102836554).

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

44554445502 is a wasteful number, since it uses less digits than its factorization.

44554445502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151545752 (or 151545745 counting only the distinct ones).

The product of its (nonzero) digits is 1280000, while the sum is 42.

Adding to 44554445502 its sum of digits (42), we get a palindrome (44554445544).

The spelling of 44554445502 in words is "forty-four billion, five hundred fifty-four million, four hundred forty-five thousand, five hundred two".