10400478 has 32 divisors (see below), whose sum is σ = 23310720. Its totient is φ = 3065760.

The previous prime is 10400449. The next prime is 10400479. The reversal of 10400478 is 87400401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10400479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313 + ... + 4571.

It is an arithmetic number, because the mean of its divisors is an integer number (728460).

Almost surely, 2^10400478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10400478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11655360).

10400478 is an abundant number, since it is smaller than the sum of its proper divisors (12910242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10400478 is a wasteful number, since it uses less digits than its factorization.

10400478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4312.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 10400478 is about 3224.9772092218. The cubic root of 10400478 is about 218.2819207007.

Adding to 10400478 its reverse (87400401), we get a palindrome (97800879).

It can be divided in two parts, 10400 and 478, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 10400478 in words is "ten million, four hundred thousand, four hundred seventy-eight".