406161404 has 48 divisors (see below), whose sum is σ = 833656320. Its totient is φ = 171164160.

The previous prime is 406161403. The next prime is 406161491. The reversal of 406161404 is 404161604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406161403) 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, 34124 + ... + 44460.

It is an arithmetic number, because the mean of its divisors is an integer number (17367840).

Almost surely, 2^406161404 is an apocalyptic number.

406161404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

406161404 is an abundant number, since it is smaller than the sum of its proper divisors (427494916).

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

406161404 is a wasteful number, since it uses less digits than its factorization.

406161404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10418 (or 10416 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 406161404 is about 20153.4464546390. The cubic root of 406161404 is about 740.5701741513.

The spelling of 406161404 in words is "four hundred six million, one hundred sixty-one thousand, four hundred four".