2575443340 has 12 divisors (see below), whose sum is σ = 5408431056. Its totient is φ = 1030177328.

The previous prime is 2575443323. The next prime is 2575443401. The reversal of 2575443340 is 433445752.

It is a self number, because there is not a number n which added to its sum of digits gives 2575443340.

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, 64386064 + ... + 64386103.

It is an arithmetic number, because the mean of its divisors is an integer number (450702588).

Almost surely, 2^2575443340 is an apocalyptic number.

2575443340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2575443340 is an abundant number, since it is smaller than the sum of its proper divisors (2832987716).

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

2575443340 is a wasteful number, since it uses less digits than its factorization.

2575443340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128772176 (or 128772174 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 37.

The square root of 2575443340 is about 50748.8259962731. The cubic root of 2575443340 is about 1370.7260505857.

The spelling of 2575443340 in words is "two billion, five hundred seventy-five million, four hundred forty-three thousand, three hundred forty".