1264541608 has 16 divisors (see below), whose sum is σ = 2586562560. Its totient is φ = 574791600.

The previous prime is 1264541543. The next prime is 1264541653. The reversal of 1264541608 is 8061454621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7184808 + ... + 7184983.

It is an arithmetic number, because the mean of its divisors is an integer number (161660160).

Almost surely, 2^1264541608 is an apocalyptic number.

It is an amenable number.

1264541608 is an abundant number, since it is smaller than the sum of its proper divisors (1322020952).

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

1264541608 is a wasteful number, since it uses less digits than its factorization.

1264541608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14369808 (or 14369804 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 1264541608 is about 35560.3938110927. The cubic root of 1264541608 is about 1081.3784433690.

The spelling of 1264541608 in words is "one billion, two hundred sixty-four million, five hundred forty-one thousand, six hundred eight".