400896292352 has 80 divisors (see below), whose sum is σ = 805031337792. Its totient is φ = 199443824640.

The previous prime is 400896292351. The next prime is 400896292411. The reversal of 400896292352 is 253292698004.

It is a self number, because there is not a number n which added to its sum of digits gives 400896292352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400896292351) 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, 143329418 + ... + 143332214.

Almost surely, 2^400896292352 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 400896292352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402515668896).

400896292352 is an abundant number, since it is smaller than the sum of its proper divisors (404135045440).

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

400896292352 is a wasteful number, since it uses less digits than its factorization.

400896292352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4119 (or 4103 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 400896292352 in words is "four hundred billion, eight hundred ninety-six million, two hundred ninety-two thousand, three hundred fifty-two".