44772840 has 192 divisors, whose sum is σ = 168854400. Its totient is φ = 10077696.

The previous prime is 44772829. The next prime is 44772941. The reversal of 44772840 is 4827744.

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

It is a junction number, because it is equal to n+sod(n) for n = 44772795 and 44772804.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 274599 + ... + 274761.

It is an arithmetic number, because the mean of its divisors is an integer number (879450).

Almost surely, 2^44772840 is an apocalyptic number.

44772840 is a gapful number since it is divisible by the number (40) 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 44772840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84427200).

44772840 is an abundant number, since it is smaller than the sum of its proper divisors (124081560).

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

44772840 is a wasteful number, since it uses less digits than its factorization.

44772840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 44772840 is about 6691.2510041098. The cubic root of 44772840 is about 355.0898139480.

The spelling of 44772840 in words is "forty-four million, seven hundred seventy-two thousand, eight hundred forty".