44401998 has 16 divisors (see below), whose sum is σ = 91204560. Its totient is φ = 14400576.

The previous prime is 44401997. The next prime is 44401999. The reversal of 44401998 is 89910444.

It is an interprime number because it is at equal distance from previous prime (44401997) and next prime (44401999).

44401998 is a modest number, since divided by 1998 gives 444 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44401991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99783 + ... + 100226.

It is an arithmetic number, because the mean of its divisors is an integer number (5700285).

Almost surely, 2^44401998 is an apocalyptic number.

44401998 is an abundant number, since it is smaller than the sum of its proper divisors (46802562).

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

44401998 is a wasteful number, since it uses less digits than its factorization.

44401998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200051.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 44401998 is about 6663.4824228777. The cubic root of 44401998 is about 354.1067219484.

The spelling of 44401998 in words is "forty-four million, four hundred one thousand, nine hundred ninety-eight".