44779860 has 72 divisors (see below), whose sum is σ = 136641960. Its totient is φ = 11870208.

The previous prime is 44779843. The next prime is 44779871. The reversal of 44779860 is 6897744.

It can be written as a sum of positive squares in 4 ways, for example, as 5391684 + 39388176 = 2322^2 + 6276^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34096 + ... + 35384.

It is an arithmetic number, because the mean of its divisors is an integer number (1897805).

Almost surely, 2^44779860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44779860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68320980).

44779860 is an abundant number, since it is smaller than the sum of its proper divisors (91862100).

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

44779860 is a wasteful number, since it uses less digits than its factorization.

44779860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 44779860 is about 6691.7755491349. The cubic root of 44779860 is about 355.1083713311.

The spelling of 44779860 in words is "forty-four million, seven hundred seventy-nine thousand, eight hundred sixty".