402431014 has 16 divisors (see below), whose sum is σ = 628129728. Its totient is φ = 193216192.

The previous prime is 402430997. The next prime is 402431027. The reversal of 402431014 is 410134204.

It is a junction number, because it is equal to n+sod(n) for n = 402430982 and 402431000.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 35407 + ... + 45370.

It is an arithmetic number, because the mean of its divisors is an integer number (39258108).

Almost surely, 2^402431014 is an apocalyptic number.

402431014 is a deficient number, since it is larger than the sum of its proper divisors (225698714).

402431014 is a wasteful number, since it uses less digits than its factorization.

402431014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80879.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 402431014 is about 20060.6832884625. The cubic root of 402431014 is about 738.2959413667.

Adding to 402431014 its reverse (410134204), we get a palindrome (812565218).

The spelling of 402431014 in words is "four hundred two million, four hundred thirty-one thousand, fourteen".