10400203454 has 8 divisors (see below), whose sum is σ = 16103540928. Its totient is φ = 5032356480.

The previous prime is 10400203453. The next prime is 10400203477. The reversal of 10400203454 is 45430200401.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10400203453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83872547 + ... + 83872670.

It is an arithmetic number, because the mean of its divisors is an integer number (2012942616).

Almost surely, 2^10400203454 is an apocalyptic number.

10400203454 is a deficient number, since it is larger than the sum of its proper divisors (5703337474).

10400203454 is a wasteful number, since it uses less digits than its factorization.

10400203454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167745250.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 10400203454 its reverse (45430200401), we get a palindrome (55830403855).

The spelling of 10400203454 in words is "ten billion, four hundred million, two hundred three thousand, four hundred fifty-four".