402431012342 has 8 divisors (see below), whose sum is σ = 607644178032. Its totient is φ = 199882953000.

The previous prime is 402431012297. The next prime is 402431012353. The reversal of 402431012342 is 243210134204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666276209 + ... + 666276812.

It is an arithmetic number, because the mean of its divisors is an integer number (75955522254).

Almost surely, 2^402431012342 is an apocalyptic number.

402431012342 is a deficient number, since it is larger than the sum of its proper divisors (205213165690).

402431012342 is a wasteful number, since it uses less digits than its factorization.

402431012342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332553174.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 402431012342 its reverse (243210134204), we get a palindrome (645641146546).

The spelling of 402431012342 in words is "four hundred two billion, four hundred thirty-one million, twelve thousand, three hundred forty-two".