409790120 has 16 divisors (see below), whose sum is σ = 922027860. Its totient is φ = 163916032.

The previous prime is 409790077. The next prime is 409790123. The reversal of 409790120 is 21097904.

It can be written as a sum of positive squares in 2 ways, for example, as 357285604 + 52504516 = 18902^2 + 7246^2 .

It is a super-2 number, since 2×409790120² = 335855884899228800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (409790123) 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, 5122337 + ... + 5122416.

Almost surely, 2^409790120 is an apocalyptic number.

409790120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

409790120 is an abundant number, since it is smaller than the sum of its proper divisors (512237740).

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

409790120 is a wasteful number, since it uses less digits than its factorization.

409790120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10244764 (or 10244760 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 409790120 is about 20243.2734507046. The cubic root of 409790120 is about 742.7690991033.

The spelling of 409790120 in words is "four hundred nine million, seven hundred ninety thousand, one hundred twenty".