402200440 has 16 divisors (see below), whose sum is σ = 904951080. Its totient is φ = 160880160.

The previous prime is 402200431. The next prime is 402200441. The reversal of 402200440 is 44002204.

402200440 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402200441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5027466 + ... + 5027545.

Almost surely, 2^402200440 is an apocalyptic number.

402200440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402200440 is an abundant number, since it is smaller than the sum of its proper divisors (502750640).

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

402200440 is a wasteful number, since it uses less digits than its factorization.

402200440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10055022 (or 10055018 counting only the distinct ones).

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

The square root of 402200440 is about 20054.9355521278. The cubic root of 402200440 is about 738.1549115053.

Adding to 402200440 its reverse (44002204), we get a palindrome (446202644).

The spelling of 402200440 in words is "four hundred two million, two hundred thousand, four hundred forty".