402403400034 has 32 divisors (see below), whose sum is σ = 824549362560. Its totient is φ = 130844937600.

The previous prime is 402403400011. The next prime is 402403400051. The reversal of 402403400034 is 430004304204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 402403399977 and 402403400013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1746627 + ... + 1963545.

It is an arithmetic number, because the mean of its divisors is an integer number (25767167580).

Almost surely, 2^402403400034 is an apocalyptic number.

402403400034 is an abundant number, since it is smaller than the sum of its proper divisors (422145962526).

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

402403400034 is a wasteful number, since it uses less digits than its factorization.

402403400034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224506.

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

Adding to 402403400034 its reverse (430004304204), we get a palindrome (832407704238).

The spelling of 402403400034 in words is "four hundred two billion, four hundred three million, four hundred thousand, thirty-four".