10400342 has 4 divisors (see below), whose sum is σ = 15600516. Its totient is φ = 5200170.

The previous prime is 10400339. The next prime is 10400389. The reversal of 10400342 is 24300401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24300401 = 4703 ⋅5167.

It is a super-2 number, since 2×10400342² = 216334227433928, which contains 22 as substring.

It is a congruent 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 as a sum of consecutive naturals, namely, 2600084 + ... + 2600087.

It is an arithmetic number, because the mean of its divisors is an integer number (3900129).

Almost surely, 2^10400342 is an apocalyptic number.

10400342 is a deficient number, since it is larger than the sum of its proper divisors (5200174).

10400342 is an equidigital number, since it uses as much as digits as its factorization.

10400342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200173.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 10400342 is about 3224.9561237325. The cubic root of 10400342 is about 218.2809692550.

Adding to 10400342 its reverse (24300401), we get a palindrome (34700743).

The spelling of 10400342 in words is "ten million, four hundred thousand, three hundred forty-two".