210240117428 has 12 divisors (see below), whose sum is σ = 401367496992. Its totient is φ = 95563689720.

The previous prime is 210240117407. The next prime is 210240117431. The reversal of 210240117428 is 824711042012.

210240117428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×210240117428² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210240117394 and 210240117403.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2389092200 + ... + 2389092287.

It is an arithmetic number, because the mean of its divisors is an integer number (33447291416).

Almost surely, 2^210240117428 is an apocalyptic number.

It is an amenable number.

210240117428 is a deficient number, since it is larger than the sum of its proper divisors (191127379564).

210240117428 is a wasteful number, since it uses less digits than its factorization.

210240117428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4778184502 (or 4778184500 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The spelling of 210240117428 in words is "two hundred ten billion, two hundred forty million, one hundred seventeen thousand, four hundred twenty-eight".