3250305040 has 20 divisors (see below), whose sum is σ = 7556959404. Its totient is φ = 1300121984.

The previous prime is 3250305011. The next prime is 3250305043. The reversal of 3250305040 is 405030523.

It can be written as a sum of positive squares in 2 ways, for example, as 447237904 + 2803067136 = 21148^2 + 52944^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (3250305043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20314327 + ... + 20314486.

Almost surely, 2^3250305040 is an apocalyptic number.

It is an amenable number.

3250305040 is an abundant number, since it is smaller than the sum of its proper divisors (4306654364).

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

3250305040 is a wasteful number, since it uses less digits than its factorization.

3250305040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40628826 (or 40628820 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 3250305040 is about 57011.4465699652. The cubic root of 3250305040 is about 1481.2943753078.

Adding to 3250305040 its reverse (405030523), we get a palindrome (3655335563).

The spelling of 3250305040 in words is "three billion, two hundred fifty million, three hundred five thousand, forty".