44800091 has 4 divisors (see below), whose sum is σ = 51200112. Its totient is φ = 38400072.

The previous prime is 44800087. The next prime is 44800097. The reversal of 44800091 is 19000844.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44800091 - 2² = 44800087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44800091.

It is not an unprimeable number, because it can be changed into a prime (44800097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3200000 + ... + 3200013.

It is an arithmetic number, because the mean of its divisors is an integer number (12800028).

Almost surely, 2^44800091 is an apocalyptic number.

44800091 is a deficient number, since it is larger than the sum of its proper divisors (6400021).

44800091 is an equidigital number, since it uses as much as digits as its factorization.

44800091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6400020.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 44800091 is about 6693.2870101319. The cubic root of 44800091 is about 355.1618411709.

The spelling of 44800091 in words is "forty-four million, eight hundred thousand, ninety-one".