2569272640 has 56 divisors (see below), whose sum is σ = 6674278752. Its totient is φ = 934279680.

The previous prime is 2569272631. The next prime is 2569272647. The reversal of 2569272640 is 462729652.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2569272647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361434 + ... + 368473.

Almost surely, 2^2569272640 is an apocalyptic number.

2569272640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2569272640 is an abundant number, since it is smaller than the sum of its proper divisors (4105006112).

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

2569272640 is a wasteful number, since it uses less digits than its factorization.

2569272640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729935 (or 729925 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 2569272640 is about 50687.9930555551. The cubic root of 2569272640 is about 1369.6304329315.

The spelling of 2569272640 in words is "two billion, five hundred sixty-nine million, two hundred seventy-two thousand, six hundred forty".