409120092 has 48 divisors (see below), whose sum is σ = 1066592800. Its totient is φ = 135613440.

The previous prime is 409120043. The next prime is 409120111. The reversal of 409120092 is 290021904.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9084 + ... + 30012.

Almost surely, 2^409120092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 409120092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533296400).

409120092 is an abundant number, since it is smaller than the sum of its proper divisors (657472708).

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

409120092 is a wasteful number, since it uses less digits than its factorization.

409120092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21123 (or 21115 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 409120092 is about 20226.7172818527. The cubic root of 409120092 is about 742.3640563279.

Adding to 409120092 its reverse (290021904), we get a palindrome (699141996).

The spelling of 409120092 in words is "four hundred nine million, one hundred twenty thousand, ninety-two".