402403210243 has 16 divisors (see below), whose sum is σ = 428401265760. Its totient is φ = 377256096000.

The previous prime is 402403210219. The next prime is 402403210249. The reversal of 402403210243 is 342012304204.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 402403210243 - 2¹³ = 402403202051 is a prime.

It is a super-2 number, since 2×402403210243² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (402403210249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144943 + ... + 908743.

It is an arithmetic number, because the mean of its divisors is an integer number (26775079110).

Almost surely, 2^402403210243 is an apocalyptic number.

402403210243 is a deficient number, since it is larger than the sum of its proper divisors (25998055517).

402403210243 is a wasteful number, since it uses less digits than its factorization.

402403210243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764358.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 402403210243 its reverse (342012304204), we get a palindrome (744415514447).

The spelling of 402403210243 in words is "four hundred two billion, four hundred three million, two hundred ten thousand, two hundred forty-three".