44455398 has 32 divisors (see below), whose sum is σ = 98092512. Its totient is φ = 13344000.

The previous prime is 44455387. The next prime is 44455399. The reversal of 44455398 is 89355444.

It is a super-2 number, since 2×44455398² = 3952564822676808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44455399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3753 + ... + 10148.

It is an arithmetic number, because the mean of its divisors is an integer number (3065391).

Almost surely, 2^44455398 is an apocalyptic number.

44455398 is an abundant number, since it is smaller than the sum of its proper divisors (53637114).

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

44455398 is a wasteful number, since it uses less digits than its factorization.

44455398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13960.

The product of its digits is 345600, while the sum is 42.

The square root of 44455398 is about 6667.4881327228. The cubic root of 44455398 is about 354.2486203948.

The spelling of 44455398 in words is "forty-four million, four hundred fifty-five thousand, three hundred ninety-eight".