2564007804 has 48 divisors (see below), whose sum is σ = 6662557440. Its totient is φ = 852724080.

The previous prime is 2564007749. The next prime is 2564007821. The reversal of 2564007804 is 4087004652.

2564007804 is a `hidden beast` number, since 2 + 5 + 640 + 0 + 7 + 8 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21049 + ... + 74639.

It is an arithmetic number, because the mean of its divisors is an integer number (138803280).

Almost surely, 2^2564007804 is an apocalyptic number.

It is an amenable number.

2564007804 is an abundant number, since it is smaller than the sum of its proper divisors (4098549636).

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

2564007804 is a wasteful number, since it uses less digits than its factorization.

2564007804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54047 (or 54039 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 2564007804 is about 50636.0326644969. The cubic root of 2564007804 is about 1368.6942651728.

The spelling of 2564007804 in words is "two billion, five hundred sixty-four million, seven thousand, eight hundred four".