1264307200 has 264 divisors, whose sum is σ = 3518056080. Its totient is φ = 447283200.

The previous prime is 1264307179. The next prime is 1264307203. The reversal of 1264307200 is 27034621.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264307203) 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 23 ways as a sum of consecutive naturals, for example, 9651135 + ... + 9651265.

It is an arithmetic number, because the mean of its divisors is an integer number (13325970).

Almost surely, 2^1264307200 is an apocalyptic number.

1264307200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1264307200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1759028040).

1264307200 is an abundant number, since it is smaller than the sum of its proper divisors (2253748880).

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

1264307200 is a wasteful number, since it uses less digits than its factorization.

1264307200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 1264307200 is about 35557.0977443323. The cubic root of 1264307200 is about 1081.3116208881.

The spelling of 1264307200 in words is "one billion, two hundred sixty-four million, three hundred seven thousand, two hundred".