261300046 has 24 divisors (see below), whose sum is σ = 479942280. Its totient is φ = 106090992.

The previous prime is 261300041. The next prime is 261300059. The reversal of 261300046 is 640003162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261300041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68305 + ... + 72028.

It is an arithmetic number, because the mean of its divisors is an integer number (19997595).

Almost surely, 2^261300046 is an apocalyptic number.

261300046 is a deficient number, since it is larger than the sum of its proper divisors (218642234).

261300046 is a wasteful number, since it uses less digits than its factorization.

261300046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140368 (or 140361 counting only the distinct ones).

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

The square root of 261300046 is about 16164.7779446549. Note that the first 3 decimals coincide. The cubic root of 261300046 is about 639.3124501085.

The spelling of 261300046 in words is "two hundred sixty-one million, three hundred thousand, forty-six".