402133332 has 24 divisors (see below), whose sum is σ = 938683872. Its totient is φ = 133991200.

The previous prime is 402133327. The next prime is 402133339. The reversal of 402133332 is 233331204.

It is a super-2 number, since 2×402133332² = 323422433410844448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402133299 and 402133308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402133339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35482 + ... + 45422.

It is an arithmetic number, because the mean of its divisors is an integer number (39111828).

Almost surely, 2^402133332 is an apocalyptic number.

It is an amenable number.

402133332 is an abundant number, since it is smaller than the sum of its proper divisors (536550540).

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

402133332 is a wasteful number, since it uses less digits than its factorization.

402133332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13319 (or 13317 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 402133332 is about 20053.2623779773. The cubic root of 402133332 is about 738.1138549821.

Adding to 402133332 its reverse (233331204), we get a palindrome (635464536).

The spelling of 402133332 in words is "four hundred two million, one hundred thirty-three thousand, three hundred thirty-two".