2564065372 has 24 divisors (see below), whose sum is σ = 4938362352. Its totient is φ = 1155168000.

The previous prime is 2564065337. The next prime is 2564065379. The reversal of 2564065372 is 2735604652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564065379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252879 + ... + 262822.

It is an arithmetic number, because the mean of its divisors is an integer number (205765098).

Almost surely, 2^2564065372 is an apocalyptic number.

2564065372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2564065372 is a deficient number, since it is larger than the sum of its proper divisors (2374296980).

2564065372 is a wasteful number, since it uses less digits than its factorization.

2564065372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515829 (or 515827 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 40.

The square root of 2564065372 is about 50636.6011102641. The cubic root of 2564065372 is about 1368.7045085636.

The spelling of 2564065372 in words is "two billion, five hundred sixty-four million, sixty-five thousand, three hundred seventy-two".