402431441402403 has 32 divisors (see below), whose sum is σ = 685545559334400. Its totient is φ = 228550021041888.

The previous prime is 402431441402323. The next prime is 402431441402413. The reversal of 402431441402403 is 304204144134204.

402431441402403 is a `hidden beast` number, since 4 + 0 + 2 + 431 + 44 + 140 + 2 + 40 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-402431441402403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402431441402413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6531462708 + ... + 6531524321.

It is an arithmetic number, because the mean of its divisors is an integer number (21423298729200).

Almost surely, 2^{402431441402403} is an apocalyptic number.

402431441402403 is a deficient number, since it is larger than the sum of its proper divisors (283114117931997).

402431441402403 is a wasteful number, since it uses less digits than its factorization.

402431441402403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13062987208 (or 13062987202 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 402431441402403 its reverse (304204144134204), we get a palindrome (706635585536607).

The spelling of 402431441402403 in words is "four hundred two trillion, four hundred thirty-one billion, four hundred forty-one million, four hundred two thousand, four hundred three".