402002313432 has 32 divisors (see below), whose sum is σ = 1005900780480. Its totient is φ = 133881438240.

The previous prime is 402002313421. The next prime is 402002313437. The reversal of 402002313432 is 234313200204.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402002313437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7430794 + ... + 7484697.

It is an arithmetic number, because the mean of its divisors is an integer number (31434399390).

Almost surely, 2^402002313432 is an apocalyptic number.

It is an amenable number.

402002313432 is an abundant number, since it is smaller than the sum of its proper divisors (603898467048).

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

402002313432 is a wasteful number, since it uses less digits than its factorization.

402002313432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14916623 (or 14916619 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 402002313432 its reverse (234313200204), we get a palindrome (636315513636).

The spelling of 402002313432 in words is "four hundred two billion, two million, three hundred thirteen thousand, four hundred thirty-two".