402140204 has 18 divisors (see below), whose sum is σ = 707672700. Its totient is φ = 199954176.

The previous prime is 402140197. The next prime is 402140213. The reversal of 402140204 is 402041204.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147647 + ... + 150345.

It is an arithmetic number, because the mean of its divisors is an integer number (39315150).

Almost surely, 2^402140204 is an apocalyptic number.

It is an amenable number.

402140204 is a deficient number, since it is larger than the sum of its proper divisors (305532496).

402140204 is a wasteful number, since it uses less digits than its factorization.

402140204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089 (or 2894 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 402140204 is about 20053.4337209367. The cubic root of 402140204 is about 738.1180594661.

Adding to 402140204 its reverse (402041204), we get a palindrome (804181408).

The spelling of 402140204 in words is "four hundred two million, one hundred forty thousand, two hundred four".