405231241236 has 24 divisors (see below), whose sum is σ = 947785511904. Its totient is φ = 134756230560.

The previous prime is 405231241193. The next prime is 405231241253. The reversal of 405231241236 is 632142132504.

It is a junction number, because it is equal to n+sod(n) for n = 405231241197 and 405231241206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40100970 + ... + 40111073.

It is an arithmetic number, because the mean of its divisors is an integer number (39491062996).

Almost surely, 2^405231241236 is an apocalyptic number.

It is an amenable number.

405231241236 is an abundant number, since it is smaller than the sum of its proper divisors (542554270668).

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

405231241236 is a wasteful number, since it uses less digits than its factorization.

405231241236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80212471 (or 80212469 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 405231241236 in words is "four hundred five billion, two hundred thirty-one million, two hundred forty-one thousand, two hundred thirty-six".