44900091 has 12 divisors (see below), whose sum is σ = 67092480. Its totient is φ = 28901040.

The previous prime is 44900081. The next prime is 44900101. The reversal of 44900091 is 19000944.

It is an interprime number because it is at equal distance from previous prime (44900081) and next prime (44900101).

It is not a de Polignac number, because 44900091 - 2⁷ = 44899963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44900081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85755 + ... + 86276.

It is an arithmetic number, because the mean of its divisors is an integer number (5591040).

Almost surely, 2^44900091 is an apocalyptic number.

44900091 is a deficient number, since it is larger than the sum of its proper divisors (22192389).

44900091 is a wasteful number, since it uses less digits than its factorization.

44900091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172066 (or 172063 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 44900091 is about 6700.7530173854. The cubic root of 44900091 is about 355.4259015806.

The spelling of 44900091 in words is "forty-four million, nine hundred thousand, ninety-one".