4400432979 has 8 divisors (see below), whose sum is σ = 6122341632. Its totient is φ = 2806073160.

The previous prime is 4400432969. The next prime is 4400432987. The reversal of 4400432979 is 9792340044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4400432979 - 2⁵ = 4400432947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4400432979.

It is not an unprimeable number, because it can be changed into a prime (4400432929) 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, 31887127 + ... + 31887264.

It is an arithmetic number, because the mean of its divisors is an integer number (765292704).

Almost surely, 2^4400432979 is an apocalyptic number.

4400432979 is a deficient number, since it is larger than the sum of its proper divisors (1721908653).

4400432979 is a wasteful number, since it uses less digits than its factorization.

4400432979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63774417.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 4400432979 is about 66335.7594288330. The cubic root of 4400432979 is about 1638.6962892723.

The spelling of 4400432979 in words is "four billion, four hundred million, four hundred thirty-two thousand, nine hundred seventy-nine".