1326746304 has 140 divisors (see below), whose sum is σ = 4235636944. Its totient is φ = 408208896.

The previous prime is 1326746293. The next prime is 1326746357. The reversal of 1326746304 is 4036476231.

It is a happy number.

1326746304 is a `hidden beast` number, since 13 + 2 + 6 + 7 + 4 + 630 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 57549 + ... + 77235.

Almost surely, 2^1326746304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1326746304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2117818472).

1326746304 is an abundant number, since it is smaller than the sum of its proper divisors (2908890640).

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

1326746304 is a wasteful number, since it uses less digits than its factorization.

1326746304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19724 (or 19705 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 1326746304 is about 36424.5288782161. The cubic root of 1326746304 is about 1098.8269323760.

The spelling of 1326746304 in words is "one billion, three hundred twenty-six million, seven hundred forty-six thousand, three hundred four".