1440201132 has 36 divisors (see below), whose sum is σ = 3766045920. Its totient is φ = 463512672.

The previous prime is 1440201127. The next prime is 1440201149. The reversal of 1440201132 is 2311020441.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1440201132² = 4148358601228162848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 688708 + ... + 690795.

Almost surely, 2^1440201132 is an apocalyptic number.

1440201132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1440201132 is an abundant number, since it is smaller than the sum of its proper divisors (2325844788).

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

1440201132 is a wasteful number, since it uses less digits than its factorization.

1440201132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379542 (or 1379537 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1440201132 is about 37949.9819762803. The cubic root of 1440201132 is about 1129.2958078925.

Adding to 1440201132 its reverse (2311020441), we get a palindrome (3751221573).

The spelling of 1440201132 in words is "one billion, four hundred forty million, two hundred one thousand, one hundred thirty-two".