402441414 has 8 divisors (see below), whose sum is σ = 804882840. Its totient is φ = 134147136.

The previous prime is 402441383. The next prime is 402441421. The reversal of 402441414 is 414144204.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

402441414 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33536779 + ... + 33536790.

It is an arithmetic number, because the mean of its divisors is an integer number (100610355).

Almost surely, 2^402441414 is an apocalyptic number.

402441414 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

402441414 is a wasteful number, since it uses less digits than its factorization.

402441414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67073574.

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 402441414 is about 20060.9425002915. The cubic root of 402441414 is about 738.3023012241.

Adding to 402441414 its reverse (414144204), we get a palindrome (816585618).

The spelling of 402441414 in words is "four hundred two million, four hundred forty-one thousand, four hundred fourteen".