431410642 has 8 divisors (see below), whose sum is σ = 696894156. Its totient is φ = 199112592.

The previous prime is 431410631. The next prime is 431410643. The reversal of 431410642 is 246014134.

It can be written as a sum of positive squares in 2 ways, for example, as 403648281 + 27762361 = 20091^2 + 5269^2 .

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

It is a super-2 number, since 2×431410642² = 372230284061704328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (431410643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8296333 + ... + 8296384.

Almost surely, 2^431410642 is an apocalyptic number.

431410642 is a deficient number, since it is larger than the sum of its proper divisors (265483514).

431410642 is a wasteful number, since it uses less digits than its factorization.

431410642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16592732.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 431410642 is about 20770.4271020121. The cubic root of 431410642 is about 755.6087028631.

Adding to 431410642 its reverse (246014134), we get a palindrome (677424776).

The spelling of 431410642 in words is "four hundred thirty-one million, four hundred ten thousand, six hundred forty-two".