402333442 has 16 divisors (see below), whose sum is σ = 704390400. Its totient is φ = 168759648.

The previous prime is 402333433. The next prime is 402333461. The reversal of 402333442 is 244333204.

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 7 ways as a sum of consecutive naturals, for example, 305067 + ... + 306382.

It is an arithmetic number, because the mean of its divisors is an integer number (44024400).

Almost surely, 2^402333442 is an apocalyptic number.

402333442 is a deficient number, since it is larger than the sum of its proper divisors (302056958).

402333442 is a wasteful number, since it uses less digits than its factorization.

402333442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611505.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 402333442 is about 20058.2512198845. The cubic root of 402333442 is about 738.2362683363.

Adding to 402333442 its reverse (244333204), we get a palindrome (646666646).

The spelling of 402333442 in words is "four hundred two million, three hundred thirty-three thousand, four hundred forty-two".