245842680 has 64 divisors (see below), whose sum is σ = 746444160. Its totient is φ = 64765568.

The previous prime is 245842651. The next prime is 245842697. The reversal of 245842680 is 86248542.

245842680 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 2382 + ... + 22301.

It is an arithmetic number, because the mean of its divisors is an integer number (11663190).

Almost surely, 2^245842680 is an apocalyptic number.

245842680 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 245842680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373222080).

245842680 is an abundant number, since it is smaller than the sum of its proper divisors (500601480).

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

245842680 is a wasteful number, since it uses less digits than its factorization.

245842680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24780 (or 24776 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 245842680 is about 15679.3711608597. The cubic root of 245842680 is about 626.4490580395.

The spelling of 245842680 in words is "two hundred forty-five million, eight hundred forty-two thousand, six hundred eighty".