1332809772 has 48 divisors (see below), whose sum is σ = 3556046592. Its totient is φ = 380600640.

The previous prime is 1332809759. The next prime is 1332809791. The reversal of 1332809772 is 2779082331.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 15 ways as a sum of consecutive naturals, for example, 236022 + ... + 241602.

It is an arithmetic number, because the mean of its divisors is an integer number (74084304).

Almost surely, 2^1332809772 is an apocalyptic number.

1332809772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1332809772 is an abundant number, since it is smaller than the sum of its proper divisors (2223236820).

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

1332809772 is a wasteful number, since it uses less digits than its factorization.

1332809772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8438 (or 8436 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 1332809772 is about 36507.6673042801. The cubic root of 1332809772 is about 1100.4983339848.

The spelling of 1332809772 in words is "one billion, three hundred thirty-two million, eight hundred nine thousand, seven hundred seventy-two".