1332636040 has 16 divisors (see below), whose sum is σ = 2998431180. Its totient is φ = 533054400.

The previous prime is 1332636023. The next prime is 1332636047. The reversal of 1332636040 is 406362331.

It can be written as a sum of positive squares in 2 ways, for example, as 1277490564 + 55145476 = 35742^2 + 7426^2 .

It is not an unprimeable number, because it can be changed into a prime (1332636047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16657911 + ... + 16657990.

Almost surely, 2^1332636040 is an apocalyptic number.

1332636040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1332636040 is an abundant number, since it is smaller than the sum of its proper divisors (1665795140).

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

1332636040 is a wasteful number, since it uses less digits than its factorization.

1332636040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33315912 (or 33315908 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 1332636040 is about 36505.2878361478. The cubic root of 1332636040 is about 1100.4505151867.

Adding to 1332636040 its reverse (406362331), we get a palindrome (1738998371).

The spelling of 1332636040 in words is "one billion, three hundred thirty-two million, six hundred thirty-six thousand, forty".