44778216 has 128 divisors (see below), whose sum is σ = 134369280. Its totient is φ = 12170496.

The previous prime is 44778203. The next prime is 44778259. The reversal of 44778216 is 61287744.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 418435 + ... + 418541.

It is an arithmetic number, because the mean of its divisors is an integer number (1049760).

Almost surely, 2^44778216 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 44778216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67184640).

44778216 is an abundant number, since it is smaller than the sum of its proper divisors (89591064).

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

44778216 is a wasteful number, since it uses less digits than its factorization.

44778216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 219 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 44778216 is about 6691.6527106538. The cubic root of 44778216 is about 355.1040255880.

The spelling of 44778216 in words is "forty-four million, seven hundred seventy-eight thousand, two hundred sixteen".