44782020 has 36 divisors (see below), whose sum is σ = 135839340. Its totient is φ = 11941824.

The previous prime is 44782009. The next prime is 44782021. The reversal of 44782020 is 2028744.

It can be written as a sum of positive squares in 2 ways, for example, as 21511044 + 23270976 = 4638^2 + 4824^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (44782021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124215 + ... + 124574.

It is an arithmetic number, because the mean of its divisors is an integer number (3773315).

Almost surely, 2^44782020 is an apocalyptic number.

It is an amenable number.

44782020 is an abundant number, since it is smaller than the sum of its proper divisors (91057320).

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

44782020 is a wasteful number, since it uses less digits than its factorization.

44782020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248804 (or 248799 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 44782020 is about 6691.9369393323. The cubic root of 44782020 is about 355.1140809049.

The spelling of 44782020 in words is "forty-four million, seven hundred eighty-two thousand, twenty".