245021633321472 has 240 divisors, whose sum is σ = 826964976002880. Its totient is φ = 68378129842176.

The previous prime is 245021633321447. The next prime is 245021633321477. The reversal of 245021633321472 is 274123336120542.

245021633321472 is a `hidden beast` number, since 2 + 4 + 5 + 0 + 2 + 1 + 633 + 3 + 2 + 1 + 4 + 7 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (245021633321477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86940397 + ... + 89714412.

It is an arithmetic number, because the mean of its divisors is an integer number (3445687400012).

Almost surely, 2^{245021633321472} is an apocalyptic number.

It is an amenable number.

245021633321472 is an abundant number, since it is smaller than the sum of its proper divisors (581943342681408).

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

245021633321472 is a wasteful number, since it uses less digits than its factorization.

245021633321472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176654883 (or 176654864 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 245021633321472 in words is "two hundred forty-five trillion, twenty-one billion, six hundred thirty-three million, three hundred twenty-one thousand, four hundred seventy-two".