1264716210 has 64 divisors (see below), whose sum is σ = 3105889920. Its totient is φ = 329472000.

The previous prime is 1264716191. The next prime is 1264716259. The reversal of 1264716210 is 126174621.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 397506 + ... + 400674.

It is an arithmetic number, because the mean of its divisors is an integer number (48529530).

Almost surely, 2^1264716210 is an apocalyptic number.

1264716210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1264716210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1552944960).

1264716210 is an abundant number, since it is smaller than the sum of its proper divisors (1841173710).

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

1264716210 is a wasteful number, since it uses less digits than its factorization.

1264716210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3483.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1264716210 is about 35562.8487329123. The cubic root of 1264716210 is about 1081.4282116404.

The spelling of 1264716210 in words is "one billion, two hundred sixty-four million, seven hundred sixteen thousand, two hundred ten".