245547748680 has 1024 divisors, whose sum is σ = 906058137600. Its totient is φ = 52672757760.

The previous prime is 245547748631. The next prime is 245547748739. The reversal of 245547748680 is 86847745542.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1933446777 + ... + 1933446903.

It is an arithmetic number, because the mean of its divisors is an integer number (884822400).

Almost surely, 2^245547748680 is an apocalyptic number.

245547748680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245547748680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453029068800).

245547748680 is an abundant number, since it is smaller than the sum of its proper divisors (660510388920).

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

245547748680 is a wasteful number, since it uses less digits than its factorization.

245547748680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 60211200, while the sum is 60.

The spelling of 245547748680 in words is "two hundred forty-five billion, five hundred forty-seven million, seven hundred forty-eight thousand, six hundred eighty".