400323333312320 has 112 divisors (see below), whose sum is σ = 1045319085327168. Its totient is φ = 144817861263360.

The previous prime is 400323333312317. The next prime is 400323333312337. The reversal of 400323333312320 is 23213333323004.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 293953334 + ... + 295312053.

Almost surely, 2^{400323333312320} is an apocalyptic number.

400323333312320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400323333312320 is an abundant number, since it is smaller than the sum of its proper divisors (644995752014848).

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

400323333312320 is a wasteful number, since it uses less digits than its factorization.

400323333312320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589265608 (or 589265598 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 32.

Adding to 400323333312320 its reverse (23213333323004), we get a palindrome (423536666635324).

The spelling of 400323333312320 in words is "four hundred trillion, three hundred twenty-three billion, three hundred thirty-three million, three hundred twelve thousand, three hundred twenty".