402332412 has 24 divisors (see below), whose sum is σ = 947552256. Its totient is φ = 132857008.

The previous prime is 402332401. The next prime is 402332417. The reversal of 402332412 is 214233204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402332417) 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, 155388 + ... + 157955.

It is an arithmetic number, because the mean of its divisors is an integer number (39481344).

Almost surely, 2^402332412 is an apocalyptic number.

It is an amenable number.

402332412 is an abundant number, since it is smaller than the sum of its proper divisors (545219844).

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

402332412 is a wasteful number, since it uses less digits than its factorization.

402332412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313457 (or 313455 counting only the distinct ones).

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

The square root of 402332412 is about 20058.2255446488. The cubic root of 402332412 is about 738.2356383580.

Adding to 402332412 its reverse (214233204), we get a palindrome (616565616).

The spelling of 402332412 in words is "four hundred two million, three hundred thirty-two thousand, four hundred twelve".