245789760 has 56 divisors (see below), whose sum is σ = 780385536. Its totient is φ = 65543680.

The previous prime is 245789741. The next prime is 245789767. The reversal of 245789760 is 67987542.

It is a super-2 number, since 2×245789760² = 120825212241715200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (245789767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127056 + ... + 128975.

It is an arithmetic number, because the mean of its divisors is an integer number (13935456).

Almost surely, 2^245789760 is an apocalyptic number.

245789760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245789760 is an abundant number, since it is smaller than the sum of its proper divisors (534595776).

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

245789760 is a wasteful number, since it uses less digits than its factorization.

245789760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256051 (or 256041 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 245789760 is about 15677.6835023545. The cubic root of 245789760 is about 626.4041050867.

The spelling of 245789760 in words is "two hundred forty-five million, seven hundred eighty-nine thousand, seven hundred sixty".