402241858 has 8 divisors (see below), whose sum is σ = 603823500. Its totient is φ = 200967360.

The previous prime is 402241849. The next prime is 402241859. The reversal of 402241858 is 858142204.

It can be written as a sum of positive squares in 2 ways, for example, as 398681089 + 3560769 = 19967^2 + 1887^2 .

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

It is not an unprimeable number, because it can be changed into a prime (402241859) by changing a digit.

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, 73483 + ... + 78766.

Almost surely, 2^402241858 is an apocalyptic number.

402241858 is a deficient number, since it is larger than the sum of its proper divisors (201581642).

402241858 is a wasteful number, since it uses less digits than its factorization.

402241858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153572.

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 402241858 is about 20055.9681391849. The cubic root of 402241858 is about 738.1802486653.

The spelling of 402241858 in words is "four hundred two million, two hundred forty-one thousand, eight hundred fifty-eight".