10400451 has 8 divisors (see below), whose sum is σ = 14023440. Its totient is φ = 6855552.

The previous prime is 10400449. The next prime is 10400479. The reversal of 10400451 is 15400401.

10400451 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10400451 - 2¹ = 10400449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10400451.

It is not an unprimeable number, because it can be changed into a prime (10400431) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19210 + ... + 19743.

It is an arithmetic number, because the mean of its divisors is an integer number (1752930).

Almost surely, 2^10400451 is an apocalyptic number.

10400451 is a deficient number, since it is larger than the sum of its proper divisors (3622989).

10400451 is an equidigital number, since it uses as much as digits as its factorization.

10400451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39045.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 10400451 is about 3224.9730231430. The cubic root of 10400451 is about 218.2817318114.

Adding to 10400451 its reverse (15400401), we get a palindrome (25800852).

The spelling of 10400451 in words is "ten million, four hundred thousand, four hundred fifty-one".