402403400030 has 32 divisors (see below), whose sum is σ = 728428210848. Its totient is φ = 160050585600.

The previous prime is 402403400011. The next prime is 402403400051. The reversal of 402403400030 is 30004304204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 402403399975 and 402403400011.

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, 4063910 + ... + 4161750.

It is an arithmetic number, because the mean of its divisors is an integer number (22763381589).

Almost surely, 2^402403400030 is an apocalyptic number.

402403400030 is a deficient number, since it is larger than the sum of its proper divisors (326024810818).

402403400030 is a wasteful number, since it uses less digits than its factorization.

402403400030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100172.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 402403400030 its reverse (30004304204), we get a palindrome (432407704234).

The spelling of 402403400030 in words is "four hundred two billion, four hundred three million, four hundred thousand, thirty".