409074432 has 72 divisors (see below), whose sum is σ = 1172511984. Its totient is φ = 125865984.

The previous prime is 409074361. The next prime is 409074433. The reversal of 409074432 is 234470904.

It is a super-2 number, since 2×409074432² = 334683781832245248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 409074393 and 409074402.

It is not an unprimeable number, because it can be changed into a prime (409074433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10503 + ... + 30470.

Almost surely, 2^409074432 is an apocalyptic number.

It is an amenable number.

409074432 is an abundant number, since it is smaller than the sum of its proper divisors (763437552).

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

409074432 is a wasteful number, since it uses less digits than its factorization.

409074432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41005 (or 40991 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 409074432 is about 20225.5885452068. The cubic root of 409074432 is about 742.3364380283.

The spelling of 409074432 in words is "four hundred nine million, seventy-four thousand, four hundred thirty-two".