10400426 has 8 divisors (see below), whose sum is σ = 15694560. Its totient is φ = 5168908.

The previous prime is 10400417. The next prime is 10400431. The reversal of 10400426 is 62400401.

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

It is a Curzon number.

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, 15236 + ... + 15903.

It is an arithmetic number, because the mean of its divisors is an integer number (1961820).

Almost surely, 2^10400426 is an apocalyptic number.

10400426 is a deficient number, since it is larger than the sum of its proper divisors (5294134).

10400426 is a wasteful number, since it uses less digits than its factorization.

10400426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31308.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 10400426 is about 3224.9691471392. The cubic root of 10400426 is about 218.2815569136.

Adding to 10400426 its reverse (62400401), we get a palindrome (72800827).

The spelling of 10400426 in words is "ten million, four hundred thousand, four hundred twenty-six".