402441104 has 40 divisors (see below), whose sum is σ = 849862272. Its totient is φ = 183496320.

The previous prime is 402441079. The next prime is 402441121. The reversal of 402441104 is 401144204.

It is a happy 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, 5609 + ... + 28919.

Almost surely, 2^402441104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402441104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424931136).

402441104 is an abundant number, since it is smaller than the sum of its proper divisors (447421168).

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

402441104 is a wasteful number, since it uses less digits than its factorization.

402441104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23415 (or 23409 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 402441104 is about 20060.9347738334. The cubic root of 402441104 is about 738.3021116530.

Adding to 402441104 its reverse (401144204), we get a palindrome (803585308).

The spelling of 402441104 in words is "four hundred two million, four hundred forty-one thousand, one hundred four".