402430214020 has 24 divisors (see below), whose sum is σ = 889582579200. Its totient is φ = 152499870432.

The previous prime is 402430214009. The next prime is 402430214023. The reversal of 402430214020 is 20412034204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 402430213982 and 402430214000.

It is not an unprimeable number, because it can be changed into a prime (402430214023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529513060 + ... + 529513819.

It is an arithmetic number, because the mean of its divisors is an integer number (37065940800).

Almost surely, 2^402430214020 is an apocalyptic number.

It is an amenable number.

402430214020 is an abundant number, since it is smaller than the sum of its proper divisors (487152365180).

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

402430214020 is a wasteful number, since it uses less digits than its factorization.

402430214020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059026907 (or 1059026905 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 402430214020 its reverse (20412034204), we get a palindrome (422842248224).

The spelling of 402430214020 in words is "four hundred two billion, four hundred thirty million, two hundred fourteen thousand, twenty".