402244374 has 32 divisors (see below), whose sum is σ = 920874240. Its totient is φ = 114744672.

The previous prime is 402244373. The next prime is 402244387. The reversal of 402244374 is 473442204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402244373) 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 15 ways as a sum of consecutive naturals, for example, 20412 + ... + 34944.

It is an arithmetic number, because the mean of its divisors is an integer number (28777320).

Almost surely, 2^402244374 is an apocalyptic number.

402244374 is an abundant number, since it is smaller than the sum of its proper divisors (518629866).

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

402244374 is a wasteful number, since it uses less digits than its factorization.

402244374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15204.

The product of its (nonzero) digits is 21504, while the sum is 30.

The square root of 402244374 is about 20056.0308635582. The cubic root of 402244374 is about 738.1817877540.

Adding to 402244374 its reverse (473442204), we get a palindrome (875686578).

The spelling of 402244374 in words is "four hundred two million, two hundred forty-four thousand, three hundred seventy-four".