1264097729610 has 112 divisors (see below), whose sum is σ = 3438368004096. Its totient is φ = 334438209504.

The previous prime is 1264097729561. The next prime is 1264097729633. The reversal of 1264097729610 is 169277904621.

1264097729610 is a `hidden beast` number, since 1 + 264 + 0 + 97 + 7 + 296 + 1 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 243147 + ... + 1608513.

Almost surely, 2^{1264097729610} is an apocalyptic number.

1264097729610 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 1264097729610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1719184002048).

1264097729610 is an abundant number, since it is smaller than the sum of its proper divisors (2174270274486).

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

1264097729610 is a wasteful number, since it uses less digits than its factorization.

1264097729610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365519 (or 1365504 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 1264097729610 in words is "one trillion, two hundred sixty-four billion, ninety-seven million, seven hundred twenty-nine thousand, six hundred ten".