245791356780 has 24 divisors (see below), whose sum is σ = 688215799152. Its totient is φ = 65544361792.

The previous prime is 245791356773. The next prime is 245791356799. The reversal of 245791356780 is 87653197542.

It is a self number, because there is not a number n which added to its sum of digits gives 245791356780.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2048261247 + ... + 2048261366.

It is an arithmetic number, because the mean of its divisors is an integer number (28675658298).

It is a 2-persistent number, because it is pandigital, and so is 2⋅245791356780 = 491582713560, but 3⋅245791356780 = 737374070340 is not.

Almost surely, 2^245791356780 is an apocalyptic number.

245791356780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245791356780 is an abundant number, since it is smaller than the sum of its proper divisors (442424442372).

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

245791356780 is a wasteful number, since it uses less digits than its factorization.

245791356780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096522625 (or 4096522623 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 57.

The spelling of 245791356780 in words is "two hundred forty-five billion, seven hundred ninety-one million, three hundred fifty-six thousand, seven hundred eighty".