402041234 has 16 divisors (see below), whose sum is σ = 690700608. Its totient is φ = 171931632.

The previous prime is 402041221. The next prime is 402041251. The reversal of 402041234 is 432140204.

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, 24209 + ... + 37284.

It is an arithmetic number, because the mean of its divisors is an integer number (43168788).

Almost surely, 2^402041234 is an apocalyptic number.

402041234 is a deficient number, since it is larger than the sum of its proper divisors (288659374).

402041234 is a wasteful number, since it uses less digits than its factorization.

402041234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61969.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 402041234 is about 20050.9659118956. The cubic root of 402041234 is about 738.0575021967.

Adding to 402041234 its reverse (432140204), we get a palindrome (834181438).

It can be divided in two parts, 4020 and 41234, that added together give a palindrome (45254).

The spelling of 402041234 in words is "four hundred two million, forty-one thousand, two hundred thirty-four".