1264770426 has 32 divisors (see below), whose sum is σ = 2621638656. Its totient is φ = 406350000.

The previous prime is 1264770383. The next prime is 1264770439. The reversal of 1264770426 is 6240774621.

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, 33141 + ... + 60231.

It is an arithmetic number, because the mean of its divisors is an integer number (81926208).

Almost surely, 2^1264770426 is an apocalyptic number.

1264770426 is an abundant number, since it is smaller than the sum of its proper divisors (1356868230).

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

1264770426 is a wasteful number, since it uses less digits than its factorization.

1264770426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27378.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 1264770426 is about 35563.6109808889. The cubic root of 1264770426 is about 1081.4436643492.

The spelling of 1264770426 in words is "one billion, two hundred sixty-four million, seven hundred seventy thousand, four hundred twenty-six".