207042450 has 24 divisors (see below), whose sum is σ = 513465648. Its totient is φ = 55211280.

The previous prime is 207042443. The next prime is 207042457. The reversal of 207042450 is 54240702.

It is an interprime number because it is at equal distance from previous prime (207042443) and next prime (207042457).

It is a super-2 number, since 2×207042450² = 85733152204005000, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 207042450.

It is not an unprimeable number, because it can be changed into a prime (207042457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 689992 + ... + 690291.

It is an arithmetic number, because the mean of its divisors is an integer number (21394402).

Almost surely, 2^207042450 is an apocalyptic number.

207042450 is an abundant number, since it is smaller than the sum of its proper divisors (306423198).

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

207042450 is a wasteful number, since it uses less digits than its factorization.

207042450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380298 (or 1380293 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 207042450 is about 14388.9697337926. The cubic root of 207042450 is about 591.5886039531.

The spelling of 207042450 in words is "two hundred seven million, forty-two thousand, four hundred fifty".