1264364216 has 16 divisors (see below), whose sum is σ = 2392840440. Its totient is φ = 626273440.

The previous prime is 1264364209. The next prime is 1264364219. The reversal of 1264364216 is 6124634621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264364219) 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, 737675 + ... + 739386.

Almost surely, 2^1264364216 is an apocalyptic number.

It is an amenable number.

1264364216 is a deficient number, since it is larger than the sum of its proper divisors (1128476224).

1264364216 is a wasteful number, since it uses less digits than its factorization.

1264364216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477174 (or 1477170 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 1264364216 is about 35557.8994880181. The cubic root of 1264364216 is about 1081.3278751488.

Adding to 1264364216 its reverse (6124634621), we get a palindrome (7388998837).

The spelling of 1264364216 in words is "one billion, two hundred sixty-four million, three hundred sixty-four thousand, two hundred sixteen".