261362848 has 24 divisors (see below), whose sum is σ = 532303380. Its totient is φ = 126174720.

The previous prime is 261362833. The next prime is 261362897. The reversal of 261362848 is 848263162.

It can be written as a sum of positive squares in 2 ways, for example, as 250525584 + 10837264 = 15828^2 + 3292^2 .

It is a super-2 number, since 2×261362848² = 136621076629342208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 261362848.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139893 + ... + 141748.

Almost surely, 2^261362848 is an apocalyptic number.

It is an amenable number.

261362848 is an abundant number, since it is smaller than the sum of its proper divisors (270940532).

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

261362848 is a wasteful number, since it uses less digits than its factorization.

261362848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281680 (or 281672 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 261362848 is about 16166.7203847905. The cubic root of 261362848 is about 639.3636643925.

The spelling of 261362848 in words is "two hundred sixty-one million, three hundred sixty-two thousand, eight hundred forty-eight".