245636880 has 40 divisors (see below), whose sum is σ = 761475072. Its totient is φ = 65503104.

The previous prime is 245636869. The next prime is 245636891. The reversal of 245636880 is 88636542.

245636880 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (245636869) and next prime (245636891).

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-4 number, since 4×245636880⁴ (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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, 511504 + ... + 511983.

Almost surely, 2^245636880 is an apocalyptic number.

245636880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245636880 is an abundant number, since it is smaller than the sum of its proper divisors (515838192).

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

245636880 is a wasteful number, since it uses less digits than its factorization.

245636880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023503 (or 1023497 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 245636880 is about 15672.8070236317. The cubic root of 245636880 is about 626.2742047449.

The spelling of 245636880 in words is "two hundred forty-five million, six hundred thirty-six thousand, eight hundred eighty".