44975778 has 16 divisors (see below), whose sum is σ = 95243040. Its totient is φ = 14110016.

The previous prime is 44975773. The next prime is 44975779. The reversal of 44975778 is 87757944.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 44975778.

It is not an unprimeable number, because it can be changed into a prime (44975773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220368 + ... + 220571.

It is an arithmetic number, because the mean of its divisors is an integer number (5952690).

Almost surely, 2^44975778 is an apocalyptic number.

44975778 is an abundant number, since it is smaller than the sum of its proper divisors (50267262).

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

44975778 is a wasteful number, since it uses less digits than its factorization.

44975778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440961.

The product of its digits is 1975680, while the sum is 51.

The square root of 44975778 is about 6706.3982882021. The cubic root of 44975778 is about 355.6255004250.

It can be divided in two parts, 44975 and 778, that added together give a triangular number (45753 = T₃₀₂).

The spelling of 44975778 in words is "forty-four million, nine hundred seventy-five thousand, seven hundred seventy-eight".