4399694920 has 32 divisors (see below), whose sum is σ = 9910915200. Its totient is φ = 1757815488.

The previous prime is 4399694917. The next prime is 4399694921. The reversal of 4399694920 is 294969934.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4399694921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29664 + ... + 98383.

It is an arithmetic number, because the mean of its divisors is an integer number (309716100).

Almost surely, 2^4399694920 is an apocalyptic number.

4399694920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4399694920 is an abundant number, since it is smaller than the sum of its proper divisors (5511220280).

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

4399694920 is a wasteful number, since it uses less digits than its factorization.

4399694920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128917 (or 128913 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 55.

The square root of 4399694920 is about 66330.1961402196. The cubic root of 4399694920 is about 1638.6046678209.

It can be divided in two parts, 439969 and 4920, that added together give a square (444889 = 667²).

The spelling of 4399694920 in words is "four billion, three hundred ninety-nine million, six hundred ninety-four thousand, nine hundred twenty".