44445940 has 192 divisors, whose sum is σ = 129024000. Its totient is φ = 12700800.

The previous prime is 44445911. The next prime is 44445967. The reversal of 44445940 is 4954444.

It is a junction number, because it is equal to n+sod(n) for n = 44445896 and 44445905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1433725 + ... + 1433755.

It is an arithmetic number, because the mean of its divisors is an integer number (672000).

Almost surely, 2^44445940 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 44445940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64512000).

44445940 is an abundant number, since it is smaller than the sum of its proper divisors (84578060).

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

44445940 is a wasteful number, since it uses less digits than its factorization.

44445940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 44445940 is about 6666.7788323897. The cubic root of 44445940 is about 354.2234961786.

The spelling of 44445940 in words is "forty-four million, four hundred forty-five thousand, nine hundred forty".