2678261572 has 12 divisors (see below), whose sum is σ = 5356523200. Its totient is φ = 1147826376.

The previous prime is 2678261569. The next prime is 2678261581. The reversal of 2678261572 is 2751628762.

2678261572 is an admirable number.

It is a super-2 number, since 2×2678261572² = 14346170096103822368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47826072 + ... + 47826127.

Almost surely, 2^2678261572 is an apocalyptic number.

It is an amenable number.

2678261572 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2678261572 is a wasteful number, since it uses less digits than its factorization.

2678261572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95652210 (or 95652208 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 2678261572 is about 51751.9233652238. The cubic root of 2678261572 is about 1388.7295072784.

The spelling of 2678261572 in words is "two billion, six hundred seventy-eight million, two hundred sixty-one thousand, five hundred seventy-two".