402431000142 has 8 divisors (see below), whose sum is σ = 804862000296. Its totient is φ = 134143666712.

The previous prime is 402431000009. The next prime is 402431000149. The reversal of 402431000142 is 241000134204.

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

402431000142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402431000149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33535916673 + ... + 33535916684.

It is an arithmetic number, because the mean of its divisors is an integer number (100607750037).

Almost surely, 2^402431000142 is an apocalyptic number.

402431000142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

402431000142 is a wasteful number, since it uses less digits than its factorization.

402431000142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67071833362.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 402431000142 its reverse (241000134204), we get a palindrome (643431134346).

The spelling of 402431000142 in words is "four hundred two billion, four hundred thirty-one million, one hundred forty-two", and thus it is an aban number.