231998044910400 has 504 divisors, whose sum is σ = 832589836045344. Its totient is φ = 61265299968000.

The previous prime is 231998044910351. The next prime is 231998044910417. The reversal of 231998044910400 is 4019440899132.

231998044910400 is a `hidden beast` number, since 2 + 3 + 1 + 9 + 98 + 0 + 449 + 104 + 0 + 0 = 666.

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, 4392794394 + ... + 4392847206.

Almost surely, 2^{231998044910400} is an apocalyptic number.

231998044910400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231998044910400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416294918022672).

231998044910400 is an abundant number, since it is smaller than the sum of its proper divisors (600591791134944).

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

231998044910400 is a wasteful number, since it uses less digits than its factorization.

231998044910400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55799 (or 55781 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 231998044910400 in words is "two hundred thirty-one trillion, nine hundred ninety-eight billion, forty-four million, nine hundred ten thousand, four hundred".