2571267916 has 48 divisors (see below), whose sum is σ = 5262308352. Its totient is φ = 1076400000.

The previous prime is 2571267859. The next prime is 2571267943. The reversal of 2571267916 is 6197621752.

It is a super-2 number, since 2×2571267916² = 13222837391701966112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789291 + ... + 792541.

It is an arithmetic number, because the mean of its divisors is an integer number (109631424).

Almost surely, 2^2571267916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2571267916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2631154176).

2571267916 is an abundant number, since it is smaller than the sum of its proper divisors (2691040436).

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

2571267916 is a wasteful number, since it uses less digits than its factorization.

2571267916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3910 (or 3908 counting only the distinct ones).

The product of its digits is 317520, while the sum is 46.

The square root of 2571267916 is about 50707.6711750796. The cubic root of 2571267916 is about 1369.9848891011.

The spelling of 2571267916 in words is "two billion, five hundred seventy-one million, two hundred sixty-seven thousand, nine hundred sixteen".