245316573440 has 72 divisors (see below), whose sum is σ = 588579774720. Its totient is φ = 97964660736.

The previous prime is 245316573433. The next prime is 245316573487. The reversal of 245316573440 is 44375613542.

245316573440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 245316573391 and 245316573400.

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, 619091 + ... + 934829.

Almost surely, 2^245316573440 is an apocalyptic number.

245316573440 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 245316573440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294289887360).

245316573440 is an abundant number, since it is smaller than the sum of its proper divisors (343263201280).

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

245316573440 is an equidigital number, since it uses as much as digits as its factorization.

245316573440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316367 (or 316353 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 44.

The spelling of 245316573440 in words is "two hundred forty-five billion, three hundred sixteen million, five hundred seventy-three thousand, four hundred forty".