232310401440 has 144 divisors (see below), whose sum is σ = 792398684448. Its totient is φ = 57184078848.

The previous prime is 232310401409. The next prime is 232310401469. The reversal of 232310401440 is 44104013232.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 232310401440.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1350774 + ... + 1513013.

It is an arithmetic number, because the mean of its divisors is an integer number (5502768642).

Almost surely, 2^232310401440 is an apocalyptic number.

232310401440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232310401440 is an abundant number, since it is smaller than the sum of its proper divisors (560088283008).

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

232310401440 is a wasteful number, since it uses less digits than its factorization.

232310401440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863831 (or 2863810 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 232310401440 its reverse (44104013232), we get a palindrome (276414414672).

The spelling of 232310401440 in words is "two hundred thirty-two billion, three hundred ten million, four hundred one thousand, four hundred forty".