39445056 has 140 divisors (see below), whose sum is σ = 133754368. Its totient is φ = 11259648.

The previous prime is 39445037. The next prime is 39445073. The reversal of 39445056 is 65054493.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 39445056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35745 + ... + 36831.

Almost surely, 2^39445056 is an apocalyptic number.

39445056 is a gapful number since it is divisible by the number (36) 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 39445056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66877184).

39445056 is an abundant number, since it is smaller than the sum of its proper divisors (94309312).

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

39445056 is a wasteful number, since it uses less digits than its factorization.

39445056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118 (or 1099 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 39445056 is about 6280.5299139483. The cubic root of 39445056 is about 340.4062502678.

The spelling of 39445056 in words is "thirty-nine million, four hundred forty-five thousand, fifty-six".