10400455 has 16 divisors (see below), whose sum is σ = 13698720. Its totient is φ = 7532928.

The previous prime is 10400449. The next prime is 10400479. The reversal of 10400455 is 55400401.

It is not a de Polignac number, because 10400455 - 2²¹ = 8303303 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1936 + ... + 4954.

It is an arithmetic number, because the mean of its divisors is an integer number (856170).

Almost surely, 2^10400455 is an apocalyptic number.

10400455 is a deficient number, since it is larger than the sum of its proper divisors (3298265).

10400455 is a wasteful number, since it uses less digits than its factorization.

10400455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 10400455 is about 3224.9736433032. The cubic root of 10400455 is about 218.2817597950.

Adding to 10400455 its reverse (55400401), we get a palindrome (65800856).

The spelling of 10400455 in words is "ten million, four hundred thousand, four hundred fifty-five".