44219880 has 48 divisors (see below), whose sum is σ = 143715780. Its totient is φ = 11791872.

The previous prime is 44219837. The next prime is 44219887. The reversal of 44219880 is 8891244.

It can be written as a sum of positive squares in 2 ways, for example, as 43639236 + 580644 = 6606^2 + 762^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (44219887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61057 + ... + 61776.

Almost surely, 2^44219880 is an apocalyptic number.

44219880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44219880 is an abundant number, since it is smaller than the sum of its proper divisors (99495900).

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

44219880 is a wasteful number, since it uses less digits than its factorization.

44219880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122850 (or 122843 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 44219880 is about 6649.8030046010. The cubic root of 44219880 is about 353.6219271088.

The spelling of 44219880 in words is "forty-four million, two hundred nineteen thousand, eight hundred eighty".