261448002 has 48 divisors (see below), whose sum is σ = 575822520. Its totient is φ = 85721856.

The previous prime is 261448001. The next prime is 261448043. The reversal of 261448002 is 200844162.

261448002 is a `hidden beast` number, since 2 + 614 + 48 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 195692121 + 65755881 = 13989^2 + 8109^2 .

It is not an unprimeable number, because it can be changed into a prime (261448001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 469108 + ... + 469664.

Almost surely, 2^261448002 is an apocalyptic number.

261448002 is an abundant number, since it is smaller than the sum of its proper divisors (314374518).

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

261448002 is a wasteful number, since it uses less digits than its factorization.

261448002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947 (or 944 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 261448002 is about 16169.3537904271. The cubic root of 261448002 is about 639.4330933647.

The spelling of 261448002 in words is "two hundred sixty-one million, four hundred forty-eight thousand, two".