4400306856 has 80 divisors (see below), whose sum is σ = 13445403840. Its totient is φ = 1333424160.

The previous prime is 4400306819. The next prime is 4400306857. The reversal of 4400306856 is 6586030044.

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 4400306856.

It is not an unprimeable number, because it can be changed into a prime (4400306857) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 301536 + ... + 315791.

It is an arithmetic number, because the mean of its divisors is an integer number (168067548).

Almost surely, 2^4400306856 is an apocalyptic number.

It is an amenable number.

4400306856 is an abundant number, since it is smaller than the sum of its proper divisors (9045096984).

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

4400306856 is a wasteful number, since it uses less digits than its factorization.

4400306856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617356 (or 617343 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 4400306856 is about 66334.8087809108. The cubic root of 4400306856 is about 1638.6806332927.

The spelling of 4400306856 in words is "four billion, four hundred million, three hundred six thousand, eight hundred fifty-six".