1264426968 has 128 divisors (see below), whose sum is σ = 3706560000. Its totient is φ = 359291520.

The previous prime is 1264426939. The next prime is 1264426993. The reversal of 1264426968 is 8696244621.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 2214123 + ... + 2214693.

It is an arithmetic number, because the mean of its divisors is an integer number (28957500).

Almost surely, 2^1264426968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1264426968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1853280000).

1264426968 is an abundant number, since it is smaller than the sum of its proper divisors (2442133032).

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

1264426968 is a wasteful number, since it uses less digits than its factorization.

1264426968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 852 counting only the distinct ones).

The product of its digits is 995328, while the sum is 48.

The square root of 1264426968 is about 35558.7818688998. The cubic root of 1264426968 is about 1081.3457640776.

The spelling of 1264426968 in words is "one billion, two hundred sixty-four million, four hundred twenty-six thousand, nine hundred sixty-eight".