402200032340 has 24 divisors (see below), whose sum is σ = 844637087112. Its totient is φ = 160876771200.

The previous prime is 402200032331. The next prime is 402200032369. The reversal of 402200032340 is 43230002204.

It can be written as a sum of positive squares in 4 ways, for example, as 17149997764 + 385050034576 = 130958^2 + 620524^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 984362 + ... + 1331678.

It is an arithmetic number, because the mean of its divisors is an integer number (35193211963).

Almost surely, 2^402200032340 is an apocalyptic number.

It is an amenable number.

402200032340 is an abundant number, since it is smaller than the sum of its proper divisors (442437054772).

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

402200032340 is a wasteful number, since it uses less digits than its factorization.

402200032340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405227 (or 405225 counting only the distinct ones).

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

Adding to 402200032340 its reverse (43230002204), we get a palindrome (445430034544).

The spelling of 402200032340 in words is "four hundred two billion, two hundred million, thirty-two thousand, three hundred forty".