1326642000 has 160 divisors (see below), whose sum is σ = 4313247744. Its totient is φ = 350784000.

The previous prime is 1326641929. The next prime is 1326642007. The reversal of 1326642000 is 2466231.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326642007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 761130 + ... + 762870.

Almost surely, 2^1326642000 is an apocalyptic number.

1326642000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1326642000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2156623872).

1326642000 is an abundant number, since it is smaller than the sum of its proper divisors (2986605744).

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

1326642000 is a wasteful number, since it uses less digits than its factorization.

1326642000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894 (or 1878 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1326642000 is about 36423.0970676575. The cubic root of 1326642000 is about 1098.7981363539.

The spelling of 1326642000 in words is "one billion, three hundred twenty-six million, six hundred forty-two thousand".