245621326050 has 144 divisors (see below), whose sum is σ = 701036193312. Its totient is φ = 63901353600.

The previous prime is 245621326031. The next prime is 245621326051. The reversal of 245621326050 is 50623126542.

245621326050 is a `hidden beast` number, since 2 + 4 + 5 + 621 + 3 + 26 + 0 + 5 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 245621325996 and 245621326014.

It is not an unprimeable number, because it can be changed into a prime (245621326051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 251617 + ... + 744683.

It is an arithmetic number, because the mean of its divisors is an integer number (4868306898).

Almost surely, 2^245621326050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245621326050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350518096656).

245621326050 is an abundant number, since it is smaller than the sum of its proper divisors (455414867262).

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

245621326050 is a wasteful number, since it uses less digits than its factorization.

245621326050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493135 (or 493118 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 245621326050 in words is "two hundred forty-five billion, six hundred twenty-one million, three hundred twenty-six thousand, fifty".