210100403750742 has 24 divisors (see below), whose sum is σ = 456026098393944. Its totient is φ = 69909074542464.

The previous prime is 210100403750711. The next prime is 210100403750779. The reversal of 210100403750742 is 247057304001012.

210100403750742 is a `hidden beast` number, since 2 + 1 + 0 + 100 + 4 + 0 + 3 + 7 + 507 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 210100403750697 and 210100403750706.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10366104123 + ... + 10366124390.

It is an arithmetic number, because the mean of its divisors is an integer number (19001087433081).

Almost surely, 2^{210100403750742} is an apocalyptic number.

210100403750742 is an abundant number, since it is smaller than the sum of its proper divisors (245925694643202).

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

210100403750742 is a wasteful number, since it uses less digits than its factorization.

210100403750742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20732229084 (or 20732229081 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

Adding to 210100403750742 its reverse (247057304001012), we get a palindrome (457157707751754).

The spelling of 210100403750742 in words is "two hundred ten trillion, one hundred billion, four hundred three million, seven hundred fifty thousand, seven hundred forty-two".