400676230768 has 120 divisors (see below), whose sum is σ = 900827343360. Its totient is φ = 172037289600.

The previous prime is 400676230753. The next prime is 400676230781. The reversal of 400676230768 is 867032676004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12748353 + ... + 12779743.

It is an arithmetic number, because the mean of its divisors is an integer number (7506894528).

Almost surely, 2^400676230768 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 400676230768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450413671680).

400676230768 is an abundant number, since it is smaller than the sum of its proper divisors (500151112592).

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

400676230768 is a wasteful number, since it uses less digits than its factorization.

400676230768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31787 (or 31770 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 400676230768 in words is "four hundred billion, six hundred seventy-six million, two hundred thirty thousand, seven hundred sixty-eight".