245322505500 has 96 divisors (see below), whose sum is σ = 717226368768. Its totient is φ = 65158600000.

The previous prime is 245322505469. The next prime is 245322505529. The reversal of 245322505500 is 5505223542.

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, 50707 + ... + 702293.

It is an arithmetic number, because the mean of its divisors is an integer number (7471108008).

Almost surely, 2^245322505500 is an apocalyptic number.

245322505500 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 245322505500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358613184384).

245322505500 is an abundant number, since it is smaller than the sum of its proper divisors (471903863268).

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

245322505500 is a wasteful number, since it uses less digits than its factorization.

245322505500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651860 (or 651848 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 33.

The spelling of 245322505500 in words is "two hundred forty-five billion, three hundred twenty-two million, five hundred five thousand, five hundred".