430142638 has 8 divisors (see below), whose sum is σ = 651602520. Its totient is φ = 212941800.

The previous prime is 430142621. The next prime is 430142641. The reversal of 430142638 is 836241034.

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, 1064508 + ... + 1064911.

It is an arithmetic number, because the mean of its divisors is an integer number (81450315).

Almost surely, 2^430142638 is an apocalyptic number.

430142638 is a deficient number, since it is larger than the sum of its proper divisors (221459882).

430142638 is a wasteful number, since it uses less digits than its factorization.

430142638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129522.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 430142638 is about 20739.8803757399. The cubic root of 430142638 is about 754.8676802746.

The spelling of 430142638 in words is "four hundred thirty million, one hundred forty-two thousand, six hundred thirty-eight".