245191015776 has 576 divisors, whose sum is σ = 834930270720. Its totient is φ = 61332111360.

The previous prime is 245191015747. The next prime is 245191015859. The reversal of 245191015776 is 677510191542.

245191015776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1354646406 + ... + 1354646586.

It is an arithmetic number, because the mean of its divisors is an integer number (1449531720).

Almost surely, 2^245191015776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245191015776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417465135360).

245191015776 is an abundant number, since it is smaller than the sum of its proper divisors (589739254944).

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

245191015776 is a wasteful number, since it uses less digits than its factorization.

245191015776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 48.

The spelling of 245191015776 in words is "two hundred forty-five billion, one hundred ninety-one million, fifteen thousand, seven hundred seventy-six".