44473680 has 120 divisors (see below), whose sum is σ = 157266720. Its totient is φ = 11232000.

The previous prime is 44473673. The next prime is 44473711. The reversal of 44473680 is 8637444.

It is a tau number, because it is divible by the number of its divisors (120).

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 23 ways as a sum of consecutive naturals, for example, 12055 + ... + 15305.

It is an arithmetic number, because the mean of its divisors is an integer number (1310556).

Almost surely, 2^44473680 is an apocalyptic number.

44473680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44473680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78633360).

44473680 is an abundant number, since it is smaller than the sum of its proper divisors (112793040).

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

44473680 is a wasteful number, since it uses less digits than its factorization.

44473680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3289 (or 3280 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 44473680 is about 6668.8589728678. The cubic root of 44473680 is about 354.2971745711.

The spelling of 44473680 in words is "forty-four million, four hundred seventy-three thousand, six hundred eighty".