1264636010 has 128 divisors (see below), whose sum is σ = 2737152000. Its totient is φ = 415584000.

The previous prime is 1264635971. The next prime is 1264636033. The reversal of 1264636010 is 106364621.

It is a happy number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 8487416 + ... + 8487564.

It is an arithmetic number, because the mean of its divisors is an integer number (21384000).

Almost surely, 2^1264636010 is an apocalyptic number.

1264636010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1264636010 is an abundant number, since it is smaller than the sum of its proper divisors (1472515990).

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

1264636010 is a wasteful number, since it uses less digits than its factorization.

1264636010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1264636010 is about 35561.7211338259. The cubic root of 1264636010 is about 1081.4053521311.

The spelling of 1264636010 in words is "one billion, two hundred sixty-four million, six hundred thirty-six thousand, ten".