10400445522 has 40 divisors (see below), whose sum is σ = 23331415536. Its totient is φ = 3462841368.

The previous prime is 10400445499. The next prime is 10400445529. The reversal of 10400445522 is 22554400401.

10400445522 is a `hidden beast` number, since 104 + 0 + 0 + 4 + 4 + 552 + 2 = 666.

10400445522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10400445529) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 106693 + ... + 179399.

Almost surely, 2^10400445522 is an apocalyptic number.

10400445522 is an abundant number, since it is smaller than the sum of its proper divisors (12930970014).

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

10400445522 is an equidigital number, since it uses as much as digits as its factorization.

10400445522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73604 (or 73595 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 10400445522 its reverse (22554400401), we get a palindrome (32954845923).

The spelling of 10400445522 in words is "ten billion, four hundred million, four hundred forty-five thousand, five hundred twenty-two".