245313035240 has 64 divisors (see below), whose sum is σ = 679328415360. Its totient is φ = 77637530880.

The previous prime is 245313035203. The next prime is 245313035311. The reversal of 245313035240 is 42530313542.

It is a super-2 number, since 2×245313035240² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245313035197 and 245313035206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33693206 + ... + 33700485.

It is an arithmetic number, because the mean of its divisors is an integer number (10614506490).

Almost surely, 2^245313035240 is an apocalyptic number.

245313035240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245313035240 is an abundant number, since it is smaller than the sum of its proper divisors (434015380120).

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

245313035240 is a wasteful number, since it uses less digits than its factorization.

245313035240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67393722 (or 67393718 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 245313035240 its reverse (42530313542), we get a palindrome (287843348782).

The spelling of 245313035240 in words is "two hundred forty-five billion, three hundred thirteen million, thirty-five thousand, two hundred forty".