10400400122 has 16 divisors (see below), whose sum is σ = 17947335552. Its totient is φ = 4427794800.

The previous prime is 10400400119. The next prime is 10400400133. The reversal of 10400400122 is 22100400401.

It is a super-2 number, since 2×10400400122² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 10400400097 and 10400400106.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2457773 + ... + 2462000.

It is an arithmetic number, because the mean of its divisors is an integer number (1121708472).

Almost surely, 2^10400400122 is an apocalyptic number.

10400400122 is a deficient number, since it is larger than the sum of its proper divisors (7546935430).

10400400122 is a wasteful number, since it uses less digits than its factorization.

10400400122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4919933.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10400400122 its reverse (22100400401), we get a palindrome (32500800523).

The spelling of 10400400122 in words is "ten billion, four hundred million, four hundred thousand, one hundred twenty-two".