400111107 has 16 divisors (see below), whose sum is σ = 583583232. Its totient is φ = 241823520.

The previous prime is 400111093. The next prime is 400111109. The reversal of 400111107 is 701111004.

It is not a de Polignac number, because 400111107 - 2⁴ = 400111091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400111109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4408 + ... + 28629.

It is an arithmetic number, because the mean of its divisors is an integer number (36473952).

Almost surely, 2^400111107 is an apocalyptic number.

400111107 is a deficient number, since it is larger than the sum of its proper divisors (183472125).

400111107 is a wasteful number, since it uses less digits than its factorization.

400111107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33418.

The product of its (nonzero) digits is 28, while the sum is 15.

The square root of 400111107 is about 20002.7774821398. Note that the first 3 decimals coincide. The cubic root of 400111107 is about 736.8745136939.

The spelling of 400111107 in words is "four hundred million, one hundred eleven thousand, one hundred seven".