402040203 has 8 divisors (see below), whose sum is σ = 544841616. Its totient is φ = 263632800.

The previous prime is 402040201. The next prime is 402040229. The reversal of 402040203 is 302040204.

It is a happy number.

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

It is not a de Polignac number, because 402040203 - 2¹ = 402040201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402040201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1098288 + ... + 1098653.

It is an arithmetic number, because the mean of its divisors is an integer number (68105202).

Almost surely, 2^402040203 is an apocalyptic number.

402040203 is a deficient number, since it is larger than the sum of its proper divisors (142801413).

402040203 is a wasteful number, since it uses less digits than its factorization.

402040203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197005.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 402040203 is about 20050.9402023945. The cubic root of 402040203 is about 738.0568713012.

Adding to 402040203 its reverse (302040204), we get a palindrome (704080407).

Subtracting from 402040203 its reverse (302040204), we obtain a palindrome (99999999).

The spelling of 402040203 in words is "four hundred two million, forty thousand, two hundred three".