409419036 has 72 divisors (see below), whose sum is σ = 1155844144. Its totient is φ = 125971200.

The previous prime is 409418987. The next prime is 409419053. The reversal of 409419036 is 630914904.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3565 + ... + 28836.

Almost surely, 2^409419036 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 409419036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577922072).

409419036 is an abundant number, since it is smaller than the sum of its proper divisors (746425108).

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

409419036 is a wasteful number, since it uses less digits than its factorization.

409419036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32433 (or 32419 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 409419036 is about 20234.1057623014. The cubic root of 409419036 is about 742.5448274129.

The spelling of 409419036 in words is "four hundred nine million, four hundred nineteen thousand, thirty-six".