44623980 has 96 divisors (see below), whose sum is σ = 147026880. Its totient is φ = 11197440.

The previous prime is 44623939. The next prime is 44623993. The reversal of 44623980 is 8932644.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6750 + ... + 11610.

It is an arithmetic number, because the mean of its divisors is an integer number (1531530).

Almost surely, 2^44623980 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 44623980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73513440).

44623980 is an abundant number, since it is smaller than the sum of its proper divisors (102402900).

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

44623980 is a wasteful number, since it uses less digits than its factorization.

44623980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4896 (or 4888 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 44623980 is about 6680.1182624262. The cubic root of 44623980 is about 354.6958447518.

The spelling of 44623980 in words is "forty-four million, six hundred twenty-three thousand, nine hundred eighty".