44198140 has 24 divisors (see below), whose sum is σ = 106075872. Its totient is φ = 15153600.

The previous prime is 44198137. The next prime is 44198149. The reversal of 44198140 is 4189144.

44198140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44198149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157711 + ... + 157990.

It is an arithmetic number, because the mean of its divisors is an integer number (4419828).

Almost surely, 2^44198140 is an apocalyptic number.

It is an amenable number.

44198140 is an abundant number, since it is smaller than the sum of its proper divisors (61877732).

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

44198140 is a wasteful number, since it uses less digits than its factorization.

44198140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315717 (or 315715 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 44198140 is about 6648.1681687514. The cubic root of 44198140 is about 353.5639667458.

The spelling of 44198140 in words is "forty-four million, one hundred ninety-eight thousand, one hundred forty".