245051503320 has 128 divisors (see below), whose sum is σ = 793510502400. Its totient is φ = 60182797824.

The previous prime is 245051503247. The next prime is 245051503343. The reversal of 245051503320 is 23305150542.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 505929 + ... + 863751.

It is an arithmetic number, because the mean of its divisors is an integer number (6199300800).

Almost surely, 2^245051503320 is an apocalyptic number.

245051503320 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 245051503320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396755251200).

245051503320 is an abundant number, since it is smaller than the sum of its proper divisors (548458999080).

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

245051503320 is a wasteful number, since it uses less digits than its factorization.

245051503320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358289 (or 358285 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 245051503320 its reverse (23305150542), we get a palindrome (268356653862).

The spelling of 245051503320 in words is "two hundred forty-five billion, fifty-one million, five hundred three thousand, three hundred twenty".