4401979911 has 80 divisors (see below), whose sum is σ = 7695367680. Its totient is φ = 2455738560.

The previous prime is 4401979891. The next prime is 4401979963. The reversal of 4401979911 is 1199791044.

4401979911 is a `hidden beast` number, since 440 + 197 + 9 + 9 + 11 = 666.

It is not a de Polignac number, because 4401979911 - 2¹⁰ = 4401978887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4401979411) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6054630 + ... + 6055356.

It is an arithmetic number, because the mean of its divisors is an integer number (96192096).

Almost surely, 2^4401979911 is an apocalyptic number.

4401979911 is a deficient number, since it is larger than the sum of its proper divisors (3293387769).

4401979911 is a wasteful number, since it uses less digits than its factorization.

4401979911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986 (or 977 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The square root of 4401979911 is about 66347.4182692891. The cubic root of 4401979911 is about 1638.8882896771. Note that the first 3 decimals are identical.

The spelling of 4401979911 in words is "four billion, four hundred one million, nine hundred seventy-nine thousand, nine hundred eleven".