10400122510542 has 48 divisors (see below), whose sum is σ = 22966422804000. Its totient is φ = 3400162848576.

The previous prime is 10400122510537. The next prime is 10400122510649. The reversal of 10400122510542 is 24501522100401.

It is a happy number.

10400122510542 is a `hidden beast` number, since 1 + 0 + 400 + 1 + 2 + 251 + 0 + 5 + 4 + 2 = 666.

It is a super-2 number, since 2×10400122510542² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1043508 + ... + 4678584.

It is an arithmetic number, because the mean of its divisors is an integer number (478467141750).

Almost surely, 2^{10400122510542} is an apocalyptic number.

10400122510542 is an abundant number, since it is smaller than the sum of its proper divisors (12566300293458).

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

10400122510542 is a wasteful number, since it uses less digits than its factorization.

10400122510542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3638137 (or 3638134 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 10400122510542 its reverse (24501522100401), we get a palindrome (34901644610943).

The spelling of 10400122510542 in words is "ten trillion, four hundred billion, one hundred twenty-two million, five hundred ten thousand, five hundred forty-two".