402440231333 has 16 divisors (see below), whose sum is σ = 497223457920. Its totient is φ = 317961308736.

The previous prime is 402440231279. The next prime is 402440231351. The reversal of 402440231333 is 333132044204.

It is a cyclic number.

It is not a de Polignac number, because 402440231333 - 2⁸ = 402440231077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402440231296 and 402440231305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402440231393) 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, 40885166 + ... + 40895007.

It is an arithmetic number, because the mean of its divisors is an integer number (31076466120).

Almost surely, 2^402440231333 is an apocalyptic number.

It is an amenable number.

402440231333 is a deficient number, since it is larger than the sum of its proper divisors (94783226587).

402440231333 is a wasteful number, since it uses less digits than its factorization.

402440231333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81780236.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 402440231333 its reverse (333132044204), we get a palindrome (735572275537).

The spelling of 402440231333 in words is "four hundred two billion, four hundred forty million, two hundred thirty-one thousand, three hundred thirty-three".