10400343220 has 24 divisors (see below), whose sum is σ = 22103865504. Its totient is φ = 4110014496.

The previous prime is 10400343211. The next prime is 10400343257. The reversal of 10400343220 is 2234300401.

10400343220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3130974 + ... + 3134293.

It is an arithmetic number, because the mean of its divisors is an integer number (920994396).

Almost surely, 2^10400343220 is an apocalyptic number.

10400343220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10400343220 is an abundant number, since it is smaller than the sum of its proper divisors (11703522284).

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

10400343220 is a wasteful number, since it uses less digits than its factorization.

10400343220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6265359 (or 6265357 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 10400343220 its reverse (2234300401), we get a palindrome (12634643621).

The spelling of 10400343220 in words is "ten billion, four hundred million, three hundred forty-three thousand, two hundred twenty".