231477567083840 has 448 divisors, whose sum is σ = 734846907898368. Its totient is φ = 67232464896000.

The previous prime is 231477567083827. The next prime is 231477567083863. The reversal of 231477567083840 is 48380765774132.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39571184 + ... + 45042576.

Almost surely, 2^{231477567083840} is an apocalyptic number.

231477567083840 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 231477567083840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367423453949184).

231477567083840 is an abundant number, since it is smaller than the sum of its proper divisors (503369340814528).

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

231477567083840 is a wasteful number, since it uses less digits than its factorization.

231477567083840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5471546 (or 5471536 counting only the distinct ones).

The product of its (nonzero) digits is 189665280, while the sum is 65.

The spelling of 231477567083840 in words is "two hundred thirty-one trillion, four hundred seventy-seven billion, five hundred sixty-seven million, eighty-three thousand, eight hundred forty".