402200000440 has 128 divisors (see below), whose sum is σ = 1055959027200. Its totient is φ = 135018432000.

The previous prime is 402200000393. The next prime is 402200000497. The reversal of 402200000440 is 44000002204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4098022 + ... + 4195018.

It is an arithmetic number, because the mean of its divisors is an integer number (8249679900).

Almost surely, 2^402200000440 is an apocalyptic number.

402200000440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402200000440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527979513600).

402200000440 is an abundant number, since it is smaller than the sum of its proper divisors (653759026760).

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

402200000440 is a wasteful number, since it uses less digits than its factorization.

402200000440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97325 (or 97321 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 402200000440 its reverse (44000002204), we get a palindrome (446200002644).

The spelling of 402200000440 in words is "four hundred two billion, two hundred million, four hundred forty", and thus it is an aban number.