402430040430 has 32 divisors (see below), whose sum is σ = 1053635015808. Its totient is φ = 97558797600.

The previous prime is 402430040401. The next prime is 402430040459. The reversal of 402430040430 is 34040034204.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (402430040401) and next prime (402430040459).

It is a self number, because there is not a number n which added to its sum of digits gives 402430040430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609742156 + ... + 609742815.

It is an arithmetic number, because the mean of its divisors is an integer number (32926094244).

Almost surely, 2^402430040430 is an apocalyptic number.

402430040430 is an abundant number, since it is smaller than the sum of its proper divisors (651204975378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402430040430 is a wasteful number, since it uses less digits than its factorization.

402430040430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219484992.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 402430040430 its reverse (34040034204), we get a palindrome (436470074634).

The spelling of 402430040430 in words is "four hundred two billion, four hundred thirty million, forty thousand, four hundred thirty".