245200034340 has 144 divisors (see below), whose sum is σ = 771497895168. Its totient is φ = 62991032832.

The previous prime is 245200034309. The next prime is 245200034353. The reversal of 245200034340 is 43430002542.

245200034340 is a `hidden beast` number, since 24 + 5 + 200 + 0 + 3 + 434 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 348037 + ... + 782003.

It is an arithmetic number, because the mean of its divisors is an integer number (5357624272).

Almost surely, 2^245200034340 is an apocalyptic number.

245200034340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245200034340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385748947584).

245200034340 is an abundant number, since it is smaller than the sum of its proper divisors (526297860828).

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

245200034340 is a wasteful number, since it uses less digits than its factorization.

245200034340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434098 (or 434093 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 245200034340 its reverse (43430002542), we get a palindrome (288630036882).

The spelling of 245200034340 in words is "two hundred forty-five billion, two hundred million, thirty-four thousand, three hundred forty".