261300460 has 24 divisors (see below), whose sum is σ = 552925296. Its totient is φ = 103721280.

The previous prime is 261300451. The next prime is 261300461. The reversal of 261300460 is 64003162.

261300460 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (261300461) 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, 47247 + ... + 52486.

It is an arithmetic number, because the mean of its divisors is an integer number (23038554).

Almost surely, 2^261300460 is an apocalyptic number.

261300460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

261300460 is an abundant number, since it is smaller than the sum of its proper divisors (291624836).

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

261300460 is a wasteful number, since it uses less digits than its factorization.

261300460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99873 (or 99871 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 261300460 is about 16164.7907502695. The cubic root of 261300460 is about 639.3127877474.

The spelling of 261300460 in words is "two hundred sixty-one million, three hundred thousand, four hundred sixty".