1440132041 has 4 divisors (see below), whose sum is σ = 1441138452. Its totient is φ = 1439125632.

The previous prime is 1440132017. The next prime is 1440132053. The reversal of 1440132041 is 1402310441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1008697600 + 431434441 = 31760^2 + 20771^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1440132041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1440132091) 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, 501056 + ... + 503921.

It is an arithmetic number, because the mean of its divisors is an integer number (360284613).

Almost surely, 2^1440132041 is an apocalyptic number.

It is an amenable number.

1440132041 is a deficient number, since it is larger than the sum of its proper divisors (1006411).

1440132041 is a wasteful number, since it uses less digits than its factorization.

1440132041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006410.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1440132041 is about 37949.0716750753. The cubic root of 1440132041 is about 1129.2777489741.

Adding to 1440132041 its reverse (1402310441), we get a palindrome (2842442482).

The spelling of 1440132041 in words is "one billion, four hundred forty million, one hundred thirty-two thousand, forty-one".