405053331056 has 80 divisors (see below), whose sum is σ = 860572904928. Its totient is φ = 183162470400.

The previous prime is 405053331029. The next prime is 405053331073. The reversal of 405053331056 is 650133350504.

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, 46356320 + ... + 46365056.

Almost surely, 2^405053331056 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 405053331056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430286452464).

405053331056 is an abundant number, since it is smaller than the sum of its proper divisors (455519573872).

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

405053331056 is a wasteful number, since it uses less digits than its factorization.

405053331056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10090 (or 10084 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 35.

The spelling of 405053331056 in words is "four hundred five billion, fifty-three million, three hundred thirty-one thousand, fifty-six".