2564040202 has 8 divisors (see below), whose sum is σ = 3848500800. Its totient is φ = 1281206604.

The previous prime is 2564040197. The next prime is 2564040203. The reversal of 2564040202 is 2020404652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2564040203) 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, 402802 + ... + 409117.

It is an arithmetic number, because the mean of its divisors is an integer number (481062600).

Almost surely, 2^2564040202 is an apocalyptic number.

2564040202 is a deficient number, since it is larger than the sum of its proper divisors (1284460598).

2564040202 is a wasteful number, since it uses less digits than its factorization.

2564040202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813500.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2564040202 is about 50636.3525740154. The cubic root of 2564040202 is about 1368.7000299460.

Adding to 2564040202 its reverse (2020404652), we get a palindrome (4584444854).

The spelling of 2564040202 in words is "two billion, five hundred sixty-four million, forty thousand, two hundred two".