232221013401040 has 80 divisors (see below), whose sum is σ = 558642007123200. Its totient is φ = 89667624485376.

The previous prime is 232221013401031. The next prime is 232221013401049. The reversal of 232221013401040 is 40104310122232.

It is an interprime number because it is at equal distance from previous prime (232221013401031) and next prime (232221013401049).

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 232221013400996 and 232221013401014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232221013401049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1844089 + ... + 21629671.

It is an arithmetic number, because the mean of its divisors is an integer number (6983025089040).

Almost surely, 2^{232221013401040} is an apocalyptic number.

232221013401040 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 232221013401040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279321003561600).

232221013401040 is an abundant number, since it is smaller than the sum of its proper divisors (326420993722160).

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

232221013401040 is a wasteful number, since it uses less digits than its factorization.

232221013401040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19790684 (or 19790678 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 232221013401040 its reverse (40104310122232), we get a palindrome (272325323523272).

The spelling of 232221013401040 in words is "two hundred thirty-two trillion, two hundred twenty-one billion, thirteen million, four hundred one thousand, forty".