210475507242 has 96 divisors (see below), whose sum is σ = 569474914176. Its totient is φ = 50463642240.

The previous prime is 210475507223. The next prime is 210475507243. The reversal of 210475507242 is 242705574012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 210475507242.

It is not an unprimeable number, because it can be changed into a prime (210475507243) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1526853 + ... + 1658984.

It is an arithmetic number, because the mean of its divisors is an integer number (5932030356).

Almost surely, 2^210475507242 is an apocalyptic number.

210475507242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210475507242 is an abundant number, since it is smaller than the sum of its proper divisors (358999406934).

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

210475507242 is a wasteful number, since it uses less digits than its factorization.

210475507242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185884 (or 3185873 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 39.

It can be divided in two parts, 210475 and 507242, that added together give a palindrome (717717).

The spelling of 210475507242 in words is "two hundred ten billion, four hundred seventy-five million, five hundred seven thousand, two hundred forty-two".