405610116 has 12 divisors (see below), whose sum is σ = 946423632. Its totient is φ = 135203368.

The previous prime is 405610111. The next prime is 405610133. The reversal of 405610116 is 611016504.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (405610111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16900410 + ... + 16900433.

It is an arithmetic number, because the mean of its divisors is an integer number (78868636).

Almost surely, 2^405610116 is an apocalyptic number.

It is an amenable number.

405610116 is an abundant number, since it is smaller than the sum of its proper divisors (540813516).

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

405610116 is a wasteful number, since it uses less digits than its factorization.

405610116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33800850 (or 33800848 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 405610116 is about 20139.7645467865. The cubic root of 405610116 is about 740.2349606943.

The spelling of 405610116 in words is "four hundred five million, six hundred ten thousand, one hundred sixteen".