10400450 has 12 divisors (see below), whose sum is σ = 19344930. Its totient is φ = 4160160.

The previous prime is 10400449. The next prime is 10400479. The reversal of 10400450 is 5400401.

10400450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 6436369 + 3964081 = 2537^2 + 1991^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103955 + ... + 104054.

Almost surely, 2^10400450 is an apocalyptic number.

10400450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10400450 is a deficient number, since it is larger than the sum of its proper divisors (8944480).

10400450 is a wasteful number, since it uses less digits than its factorization.

10400450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208021 (or 208016 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 10400450 is about 3224.9728681029. The cubic root of 10400450 is about 218.2817248155.

Adding to 10400450 its reverse (5400401), we get a palindrome (15800851).

The spelling of 10400450 in words is "ten million, four hundred thousand, four hundred fifty".