245204305124550 has 48 divisors (see below), whose sum is σ = 608107643454672. Its totient is φ = 65387710748800.

The previous prime is 245204305124539. The next prime is 245204305124551. The reversal of 245204305124550 is 55421503402542.

It is a super-2 number, since 2×245204305124550² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245204305124551) 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, 159377572 + ... + 160908728.

It is an arithmetic number, because the mean of its divisors is an integer number (12668909238639).

Almost surely, 2^{245204305124550} is an apocalyptic number.

245204305124550 is an abundant number, since it is smaller than the sum of its proper divisors (362903338330122).

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

245204305124550 is a wasteful number, since it uses less digits than its factorization.

245204305124550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598793 (or 2598788 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 245204305124550 in words is "two hundred forty-five trillion, two hundred four billion, three hundred five million, one hundred twenty-four thousand, five hundred fifty".