44821899 has 6 divisors (see below), whose sum is σ = 64742756. Its totient is φ = 29881260.

The previous prime is 44821891. The next prime is 44821919. The reversal of 44821899 is 99812844.

It is not a de Polignac number, because 44821899 - 2³ = 44821891 is a prime.

It is a super-4 number, since 4×44821899⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44821891) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2490097 + ... + 2490114.

Almost surely, 2^44821899 is an apocalyptic number.

44821899 is a deficient number, since it is larger than the sum of its proper divisors (19920857).

44821899 is a wasteful number, since it uses less digits than its factorization.

44821899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4980217 (or 4980214 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 44821899 is about 6694.9159068654. The cubic root of 44821899 is about 355.2194609422.

The spelling of 44821899 in words is "forty-four million, eight hundred twenty-one thousand, eight hundred ninety-nine".