401205116 has 12 divisors (see below), whose sum is σ = 756117432. Its totient is φ = 185171568.

The previous prime is 401205109. The next prime is 401205127. The reversal of 401205116 is 611502104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3857690 + ... + 3857793.

It is an arithmetic number, because the mean of its divisors is an integer number (63009786).

Almost surely, 2^401205116 is an apocalyptic number.

It is an amenable number.

401205116 is a deficient number, since it is larger than the sum of its proper divisors (354912316).

401205116 is a wasteful number, since it uses less digits than its factorization.

401205116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7715500 (or 7715498 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 401205116 is about 20030.1052418603. The cubic root of 401205116 is about 737.5455054178.

The spelling of 401205116 in words is "four hundred one million, two hundred five thousand, one hundred sixteen".