409221238396 has 24 divisors (see below), whose sum is σ = 723209969664. Its totient is φ = 202590478320.

The previous prime is 409221238343. The next prime is 409221238399. The reversal of 409221238396 is 693832122904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409221238399) 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, 2501061 + ... + 2659651.

It is an arithmetic number, because the mean of its divisors is an integer number (30133748736).

Almost surely, 2^409221238396 is an apocalyptic number.

It is an amenable number.

409221238396 is a deficient number, since it is larger than the sum of its proper divisors (313988731268).

409221238396 is a wasteful number, since it uses less digits than its factorization.

409221238396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164961 (or 164959 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 409221238396 in words is "four hundred nine billion, two hundred twenty-one million, two hundred thirty-eight thousand, three hundred ninety-six".