402490402282 has 16 divisors (see below), whose sum is σ = 614071941120. Its totient is φ = 197828831088.

The previous prime is 402490402273. The next prime is 402490402283. The reversal of 402490402282 is 282204094204.

It is not an unprimeable number, because it can be changed into a prime (402490402283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7241158 + ... + 7296529.

It is an arithmetic number, because the mean of its divisors is an integer number (38379496320).

Almost surely, 2^402490402282 is an apocalyptic number.

402490402282 is a deficient number, since it is larger than the sum of its proper divisors (211581538838).

402490402282 is a wasteful number, since it uses less digits than its factorization.

402490402282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14537925.

The product of its (nonzero) digits is 73728, while the sum is 37.

Adding to 402490402282 its reverse (282204094204), we get a palindrome (684694496486).

The spelling of 402490402282 in words is "four hundred two billion, four hundred ninety million, four hundred two thousand, two hundred eighty-two".