402442110 has 96 divisors (see below), whose sum is σ = 1203471360. Its totient is φ = 91399104.

The previous prime is 402442067. The next prime is 402442141. The reversal of 402442110 is 11244204.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100731 + ... + 104649.

It is an arithmetic number, because the mean of its divisors is an integer number (12536160).

Almost surely, 2^402442110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402442110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (601735680).

402442110 is an abundant number, since it is smaller than the sum of its proper divisors (801029250).

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

402442110 is a wasteful number, since it uses less digits than its factorization.

402442110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4102 (or 4099 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 402442110 is about 20060.9598474250. The cubic root of 402442110 is about 738.3027268414.

Adding to 402442110 its reverse (11244204), we get a palindrome (413686314).

The spelling of 402442110 in words is "four hundred two million, four hundred forty-two thousand, one hundred ten".