245805960 has 64 divisors (see below), whose sum is σ = 743270400. Its totient is φ = 65032128.

The previous prime is 245805929. The next prime is 245805979. The reversal of 245805960 is 69508542.

245805960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1935417 + ... + 1935543.

It is an arithmetic number, because the mean of its divisors is an integer number (11613600).

Almost surely, 2^245805960 is an apocalyptic number.

245805960 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 245805960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371635200).

245805960 is an abundant number, since it is smaller than the sum of its proper divisors (497464440).

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

245805960 is an frugal number, since it uses more digits than its factorization.

245805960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 245805960 is about 15678.2001518031. The cubic root of 245805960 is about 626.4178668799.

The spelling of 245805960 in words is "two hundred forty-five million, eight hundred five thousand, nine hundred sixty".