402800270680 has 32 divisors (see below), whose sum is σ = 906860545200. Its totient is φ = 161020564096.

The previous prime is 402800270641. The next prime is 402800270683. The reversal of 402800270680 is 86072008204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402800270683) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3045187 + ... + 3174706.

Almost surely, 2^402800270680 is an apocalyptic number.

402800270680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402800270680 is an abundant number, since it is smaller than the sum of its proper divisors (504060274520).

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

402800270680 is a wasteful number, since it uses less digits than its factorization.

402800270680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6221523 (or 6221519 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

Adding to 402800270680 its reverse (86072008204), we get a palindrome (488872278884).

The spelling of 402800270680 in words is "four hundred two billion, eight hundred million, two hundred seventy thousand, six hundred eighty".