232235005440 has 160 divisors (see below), whose sum is σ = 759693090816. Its totient is φ = 60489031680.

The previous prime is 232235005433. The next prime is 232235005469. The reversal of 232235005440 is 44500532232.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 232235005398 and 232235005407.

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, 21376 + ... + 681855.

Almost surely, 2^232235005440 is an apocalyptic number.

232235005440 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 232235005440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379846545408).

232235005440 is an abundant number, since it is smaller than the sum of its proper divisors (527458085376).

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

232235005440 is an equidigital number, since it uses as much as digits as its factorization.

232235005440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703300 (or 703284 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 232235005440 its reverse (44500532232), we get a palindrome (276735537672).

The spelling of 232235005440 in words is "two hundred thirty-two billion, two hundred thirty-five million, five thousand, four hundred forty".