245110515240 has 64 divisors (see below), whose sum is σ = 755205384960. Its totient is φ = 63596240640.

The previous prime is 245110515163. The next prime is 245110515271. The reversal of 245110515240 is 42515011542.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 245110515198 and 245110515207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27598096 + ... + 27606975.

It is an arithmetic number, because the mean of its divisors is an integer number (11800084140).

Almost surely, 2^245110515240 is an apocalyptic number.

245110515240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245110515240 is an abundant number, since it is smaller than the sum of its proper divisors (510094869720).

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

245110515240 is a wasteful number, since it uses less digits than its factorization.

245110515240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55205122 (or 55205118 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 245110515240 its reverse (42515011542), we get a palindrome (287625526782).

The spelling of 245110515240 in words is "two hundred forty-five billion, one hundred ten million, five hundred fifteen thousand, two hundred forty".