3640241252 has 24 divisors (see below), whose sum is σ = 6533038680. Its totient is φ = 1773757440.

The previous prime is 3640241251. The next prime is 3640241273. The reversal of 3640241252 is 2521420463.

It can be written as a sum of positive squares in 4 ways, for example, as 778633216 + 2861608036 = 27904^2 + 53494^2 .

It is not an unprimeable number, because it can be changed into a prime (3640241251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141824 + ... + 165512.

It is an arithmetic number, because the mean of its divisors is an integer number (272209945).

Almost surely, 2^3640241252 is an apocalyptic number.

It is an amenable number.

3640241252 is a deficient number, since it is larger than the sum of its proper divisors (2892797428).

3640241252 is a wasteful number, since it uses less digits than its factorization.

3640241252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24671 (or 24669 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 3640241252 is about 60334.4118393475. The cubic root of 3640241252 is about 1538.3083200389.

The spelling of 3640241252 in words is "three billion, six hundred forty million, two hundred forty-one thousand, two hundred fifty-two".