1264044530 has 32 divisors (see below), whose sum is σ = 2684206080. Its totient is φ = 419405760.

The previous prime is 1264044517. The next prime is 1264044577. The reversal of 1264044530 is 354404621.

It is a junction number, because it is equal to n+sod(n) for n = 1264044493 and 1264044502.

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, 289085 + ... + 293424.

It is an arithmetic number, because the mean of its divisors is an integer number (83881440).

Almost surely, 2^1264044530 is an apocalyptic number.

1264044530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1264044530 is an abundant number, since it is smaller than the sum of its proper divisors (1420161550).

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

1264044530 is a wasteful number, since it uses less digits than its factorization.

1264044530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582554.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1264044530 is about 35553.4039157997. The cubic root of 1264044530 is about 1081.2367319699.

The spelling of 1264044530 in words is "one billion, two hundred sixty-four million, forty-four thousand, five hundred thirty".