245603880 has 128 divisors (see below), whose sum is σ = 861840000. Its totient is φ = 62042112.

The previous prime is 245603863. The next prime is 245603881. The reversal of 245603880 is 88306542.

245603880 is a `hidden beast` number, since 2 + 45 + 603 + 8 + 8 + 0 = 666.

245603880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×245603880³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (245603881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14536 + ... + 26504.

It is an arithmetic number, because the mean of its divisors is an integer number (6733125).

Almost surely, 2^245603880 is an apocalyptic number.

245603880 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 245603880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430920000).

245603880 is an abundant number, since it is smaller than the sum of its proper divisors (616236120).

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

245603880 is a wasteful number, since it uses less digits than its factorization.

245603880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12008 (or 11998 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 245603880 is about 15671.7542094049. The cubic root of 245603880 is about 626.2461579599.

The spelling of 245603880 in words is "two hundred forty-five million, six hundred three thousand, eight hundred eighty".