261362862 has 40 divisors (see below), whose sum is σ = 620102736. Its totient is φ = 81995328.

The previous prime is 261362833. The next prime is 261362897. The reversal of 261362862 is 268263162.

261362862 is a `hidden beast` number, since 26 + 1 + 3 + 628 + 6 + 2 = 666.

261362862 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44698 + ... + 50205.

Almost surely, 2^261362862 is an apocalyptic number.

261362862 is an abundant number, since it is smaller than the sum of its proper divisors (358739874).

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

261362862 is a wasteful number, since it uses less digits than its factorization.

261362862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94934 (or 94925 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 261362862 is about 16166.7208177787. The cubic root of 261362862 is about 639.3636758084.

The spelling of 261362862 in words is "two hundred sixty-one million, three hundred sixty-two thousand, eight hundred sixty-two".