409859994236 has 48 divisors (see below), whose sum is σ = 941305263360. Its totient is φ = 151281198720.

The previous prime is 409859994211. The next prime is 409859994241. The reversal of 409859994236 is 632499958904.

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, 35012945 + ... + 35024648.

It is an arithmetic number, because the mean of its divisors is an integer number (19610526320).

Almost surely, 2^409859994236 is an apocalyptic number.

It is an amenable number.

409859994236 is an abundant number, since it is smaller than the sum of its proper divisors (531445269124).

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

409859994236 is a wasteful number, since it uses less digits than its factorization.

409859994236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70037634 (or 70037632 counting only the distinct ones).

The product of its (nonzero) digits is 151165440, while the sum is 68.

The spelling of 409859994236 in words is "four hundred nine billion, eight hundred fifty-nine million, nine hundred ninety-four thousand, two hundred thirty-six".