402200682084 has 72 divisors (see below), whose sum is σ = 1078107940728. Its totient is φ = 125989585920.

The previous prime is 402200682083. The next prime is 402200682089. The reversal of 402200682084 is 480286002204.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 198267153984 + 203933528100 = 445272^2 + 451590^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (402200682083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92587 + ... + 901650.

It is an arithmetic number, because the mean of its divisors is an integer number (14973721399).

Almost surely, 2^402200682084 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402200682084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539053970364).

402200682084 is an abundant number, since it is smaller than the sum of its proper divisors (675907258644).

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

402200682084 is a wasteful number, since it uses less digits than its factorization.

402200682084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994925 (or 994920 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

Adding to 402200682084 its reverse (480286002204), we get a palindrome (882486684288).

The spelling of 402200682084 in words is "four hundred two billion, two hundred million, six hundred eighty-two thousand, eighty-four".