1264426200 has 144 divisors (see below), whose sum is σ = 4403806680. Its totient is φ = 337167360.

The previous prime is 1264426159. The next prime is 1264426237. The reversal of 1264426200 is 26244621.

1264426200 is a `hidden beast` number, since 12 + 6 + 442 + 6 + 200 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 35592 + ... + 61608.

Almost surely, 2^1264426200 is an apocalyptic number.

1264426200 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 1264426200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2201903340).

1264426200 is an abundant number, since it is smaller than the sum of its proper divisors (3139380480).

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

1264426200 is a wasteful number, since it uses less digits than its factorization.

1264426200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26048 (or 26027 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 1264426200 is about 35558.7710698781. The cubic root of 1264426200 is about 1081.3455451448.

The spelling of 1264426200 in words is "one billion, two hundred sixty-four million, four hundred twenty-six thousand, two hundred".