405275490228 has 96 divisors (see below), whose sum is σ = 1113098112000. Its totient is φ = 114710695008.

The previous prime is 405275490203. The next prime is 405275490253. The reversal of 405275490228 is 822094572504.

It is an interprime number because it is at equal distance from previous prime (405275490203) and next prime (405275490253).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19698 + ... + 900521.

It is an arithmetic number, because the mean of its divisors is an integer number (11594772000).

Almost surely, 2^405275490228 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 405275490228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556549056000).

405275490228 is an abundant number, since it is smaller than the sum of its proper divisors (707822621772).

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

405275490228 is a wasteful number, since it uses less digits than its factorization.

405275490228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920354 (or 920338 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 405275490228 in words is "four hundred five billion, two hundred seventy-five million, four hundred ninety thousand, two hundred twenty-eight".