231424825700640 has 384 divisors, whose sum is σ = 856544390553600. Its totient is φ = 51780679741440.

The previous prime is 231424825700639. The next prime is 231424825700641. The reversal of 231424825700640 is 46007528424132.

It is an interprime number because it is at equal distance from previous prime (231424825700639) and next prime (231424825700641).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 231424825700640.

It is not an unprimeable number, because it can be changed into a prime (231424825700641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 540600601 + ... + 541028519.

It is an arithmetic number, because the mean of its divisors is an integer number (2230584350400).

Almost surely, 2^{231424825700640} is an apocalyptic number.

231424825700640 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 231424825700640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428272195276800).

231424825700640 is an abundant number, since it is smaller than the sum of its proper divisors (625119564852960).

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

231424825700640 is a wasteful number, since it uses less digits than its factorization.

231424825700640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435840 (or 435832 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 48.

The spelling of 231424825700640 in words is "two hundred thirty-one trillion, four hundred twenty-four billion, eight hundred twenty-five million, seven hundred thousand, six hundred forty".