1327660404 has 24 divisors (see below), whose sum is σ = 3540427968. Its totient is φ = 379331520.

The previous prime is 1327660393. The next prime is 1327660427. The reversal of 1327660404 is 4040667231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7902657 + ... + 7902824.

It is an arithmetic number, because the mean of its divisors is an integer number (147517832).

Almost surely, 2^1327660404 is an apocalyptic number.

1327660404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1327660404 is an abundant number, since it is smaller than the sum of its proper divisors (2212767564).

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

1327660404 is a wasteful number, since it uses less digits than its factorization.

1327660404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15805495 (or 15805493 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 1327660404 is about 36437.0745807069. The cubic root of 1327660404 is about 1099.0792305749.

The spelling of 1327660404 in words is "one billion, three hundred twenty-seven million, six hundred sixty thousand, four hundred four".