402343503512 has 32 divisors (see below), whose sum is σ = 760641235200. Its totient is φ = 199511333664.

The previous prime is 402343503461. The next prime is 402343503517. The reversal of 402343503512 is 215305343204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402343503517) 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, 243503 + ... + 929505.

It is an arithmetic number, because the mean of its divisors is an integer number (23770038600).

Almost surely, 2^402343503512 is an apocalyptic number.

It is an amenable number.

402343503512 is a deficient number, since it is larger than the sum of its proper divisors (358297731688).

402343503512 is a wasteful number, since it uses less digits than its factorization.

402343503512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686615 (or 686611 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 402343503512 its reverse (215305343204), we get a palindrome (617648846716).

The spelling of 402343503512 in words is "four hundred two billion, three hundred forty-three million, five hundred three thousand, five hundred twelve".