232031402040 has 64 divisors (see below), whose sum is σ = 696829599360. Its totient is φ = 61809672320.

The previous prime is 232031402033. The next prime is 232031402059. The reversal of 232031402040 is 40204130232.

It is a junction number, because it is equal to n+sod(n) for n = 232031401998 and 232031402016.

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, 907266 + ... + 1134545.

It is an arithmetic number, because the mean of its divisors is an integer number (10887962490).

Almost surely, 2^232031402040 is an apocalyptic number.

232031402040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232031402040 is an abundant number, since it is smaller than the sum of its proper divisors (464798197320).

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

232031402040 is a wasteful number, since it uses less digits than its factorization.

232031402040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042772 (or 2042768 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 232031402040 its reverse (40204130232), we get a palindrome (272235532272).

The spelling of 232031402040 in words is "two hundred thirty-two billion, thirty-one million, four hundred two thousand, forty".