245440124200 has 24 divisors (see below), whose sum is σ = 570648289230. Its totient is φ = 98176049600.

The previous prime is 245440124143. The next prime is 245440124207. The reversal of 245440124200 is 2421044542.

It can be written as a sum of positive squares in 3 ways, for example, as 207103267396 + 38336856804 = 455086^2 + 195798^2 .

It is a super-2 number, since 2×245440124200² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245440124207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 613600111 + ... + 613600510.

Almost surely, 2^245440124200 is an apocalyptic number.

245440124200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245440124200 is an abundant number, since it is smaller than the sum of its proper divisors (325208165030).

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

245440124200 is a wasteful number, since it uses less digits than its factorization.

245440124200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227200637 (or 1227200628 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 245440124200 its reverse (2421044542), we get a palindrome (247861168742).

The spelling of 245440124200 in words is "two hundred forty-five billion, four hundred forty million, one hundred twenty-four thousand, two hundred".