402441231232 has 16 divisors (see below), whose sum is σ = 801738390600. Its totient is φ = 201220615552.

The previous prime is 402441231209. The next prime is 402441231233. The reversal of 402441231232 is 232132144204.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 402441231232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402441231233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572035932 + ... + 1572036187.

Almost surely, 2^402441231232 is an apocalyptic number.

It is an amenable number.

402441231232 is a deficient number, since it is larger than the sum of its proper divisors (399297159368).

402441231232 is an equidigital number, since it uses as much as digits as its factorization.

402441231232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144072133 (or 3144072121 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 402441231232 its reverse (232132144204), we get a palindrome (634573375436).

The spelling of 402441231232 in words is "four hundred two billion, four hundred forty-one million, two hundred thirty-one thousand, two hundred thirty-two".