44939778 has 16 divisors (see below), whose sum is σ = 96793536. Its totient is φ = 13827600.

The previous prime is 44939777. The next prime is 44939779. The reversal of 44939778 is 87793944.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (44939777) and next prime (44939779).

It is a self number, because there is not a number n which added to its sum of digits gives 44939778.

It is not an unprimeable number, because it can be changed into a prime (44939777) 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, 287998 + ... + 288153.

It is an arithmetic number, because the mean of its divisors is an integer number (6049596).

Almost surely, 2^44939778 is an apocalyptic number.

44939778 is an abundant number, since it is smaller than the sum of its proper divisors (51853758).

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

44939778 is a wasteful number, since it uses less digits than its factorization.

44939778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576169.

The product of its digits is 1524096, while the sum is 51.

The square root of 44939778 is about 6703.7137468720. The cubic root of 44939778 is about 355.5305905576.

The spelling of 44939778 in words is "forty-four million, nine hundred thirty-nine thousand, seven hundred seventy-eight".