1264266036 has 48 divisors (see below), whose sum is σ = 3575705280. Its totient is φ = 383110560.

The previous prime is 1264266007. The next prime is 1264266041. The reversal of 1264266036 is 6306624621.

1264266036 is a `hidden beast` number, since 1 + 2 + 6 + 42 + 6 + 603 + 6 = 666.

1264266036 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 530911 + ... + 533286.

It is an arithmetic number, because the mean of its divisors is an integer number (74493860).

Almost surely, 2^1264266036 is an apocalyptic number.

It is an amenable number.

1264266036 is an abundant number, since it is smaller than the sum of its proper divisors (2311439244).

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

1264266036 is a wasteful number, since it uses less digits than its factorization.

1264266036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064221 (or 1064213 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 1264266036 is about 35556.5188959774. The cubic root of 1264266036 is about 1081.2998854505.

The spelling of 1264266036 in words is "one billion, two hundred sixty-four million, two hundred sixty-six thousand, thirty-six".