2575901840 has 40 divisors (see below), whose sum is σ = 5991547320. Its totient is φ = 1029917696.

The previous prime is 2575901831. The next prime is 2575901857. The reversal of 2575901840 is 481095752.

It can be written as a sum of positive squares in 4 ways, for example, as 59474944 + 2516426896 = 7712^2 + 50164^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231116 + ... + 242004.

It is an arithmetic number, because the mean of its divisors is an integer number (149788683).

Almost surely, 2^2575901840 is an apocalyptic number.

2575901840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2575901840 is an abundant number, since it is smaller than the sum of its proper divisors (3415645480).

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

2575901840 is a wasteful number, since it uses less digits than its factorization.

2575901840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13859 (or 13853 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 2575901840 is about 50753.3431411173. The cubic root of 2575901840 is about 1370.8073881161.

The spelling of 2575901840 in words is "two billion, five hundred seventy-five million, nine hundred one thousand, eight hundred forty".