402301440220 has 48 divisors (see below), whose sum is σ = 852173074368. Its totient is φ = 159527646720.

The previous prime is 402301440193. The next prime is 402301440283. The reversal of 402301440220 is 22044103204.

It is a happy number.

It is a super-3 number, since 3×402301440220³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402301440191 and 402301440200.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1084360 + ... + 1407280.

It is an arithmetic number, because the mean of its divisors is an integer number (17753605716).

Almost surely, 2^402301440220 is an apocalyptic number.

It is an amenable number.

402301440220 is an abundant number, since it is smaller than the sum of its proper divisors (449871634148).

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

402301440220 is a wasteful number, since it uses less digits than its factorization.

402301440220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323470 (or 323468 counting only the distinct ones).

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

Adding to 402301440220 its reverse (22044103204), we get a palindrome (424345543424).

The spelling of 402301440220 in words is "four hundred two billion, three hundred one million, four hundred forty thousand, two hundred twenty".