245233315520 has 112 divisors (see below), whose sum is σ = 586669225440. Its totient is φ = 97639686144.

The previous prime is 245233315501. The next prime is 245233315531. The reversal of 245233315520 is 25513332542.

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, 69489116 + ... + 69492644.

Almost surely, 2^245233315520 is an apocalyptic number.

245233315520 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 245233315520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293334612720).

245233315520 is an abundant number, since it is smaller than the sum of its proper divisors (341435909920).

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

245233315520 is a wasteful number, since it uses less digits than its factorization.

245233315520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4490 (or 4480 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 245233315520 in words is "two hundred forty-five billion, two hundred thirty-three million, three hundred fifteen thousand, five hundred twenty".