400462045776 has 360 divisors, whose sum is σ = 1314908090496. Its totient is φ = 113268879360.

The previous prime is 400462045747. The next prime is 400462045783. The reversal of 400462045776 is 677540264004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17778361 + ... + 17800871.

Almost surely, 2^400462045776 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 400462045776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (657454045248).

400462045776 is an abundant number, since it is smaller than the sum of its proper divisors (914446044720).

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

400462045776 is a wasteful number, since it uses less digits than its factorization.

400462045776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22611 (or 22589 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The spelling of 400462045776 in words is "four hundred billion, four hundred sixty-two million, forty-five thousand, seven hundred seventy-six".