10402442 has 8 divisors (see below), whose sum is σ = 15619716. Its totient is φ = 5195872.

The previous prime is 10402429. The next prime is 10402451. The reversal of 10402442 is 24420401.

It can be written as a sum of positive squares in 2 ways, for example, as 10182481 + 219961 = 3191^2 + 469^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 10402442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518 + ... + 4590.

Almost surely, 2^10402442 is an apocalyptic number.

10402442 is a deficient number, since it is larger than the sum of its proper divisors (5217274).

10402442 is a wasteful number, since it uses less digits than its factorization.

10402442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5352.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 10402442 is about 3225.2816931239. The cubic root of 10402442 is about 218.2956597715.

Adding to 10402442 its reverse (24420401), we get a palindrome (34822843).

The spelling of 10402442 in words is "ten million, four hundred two thousand, four hundred forty-two".