44164980 has 144 divisors (see below), whose sum is σ = 146475840. Its totient is φ = 11045376.

The previous prime is 44164979. The next prime is 44165027. The reversal of 44164980 is 8946144.

It is a happy number.

44164980 is a `hidden beast` number, since 4 + 4 + 1 + 649 + 8 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 155919 + ... + 156201.

Almost surely, 2^44164980 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 44164980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73237920).

44164980 is an abundant number, since it is smaller than the sum of its proper divisors (102310860).

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

44164980 is a wasteful number, since it uses less digits than its factorization.

44164980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 44164980 is about 6645.6737807389. The cubic root of 44164980 is about 353.4755232471.

The spelling of 44164980 in words is "forty-four million, one hundred sixty-four thousand, nine hundred eighty".