1440941039 has 4 divisors (see below), whose sum is σ = 1487423040. Its totient is φ = 1394459040.

The previous prime is 1440941003. The next prime is 1440941041. The reversal of 1440941039 is 9301490441.

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

It is a cyclic number.

It is not a de Polignac number, because 1440941039 - 2¹² = 1440936943 is a prime.

It is a super-2 number, since 2×1440941039² = 4152622155748799042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440941059) 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, 23240954 + ... + 23241015.

It is an arithmetic number, because the mean of its divisors is an integer number (371855760).

Almost surely, 2^1440941039 is an apocalyptic number.

1440941039 is a deficient number, since it is larger than the sum of its proper divisors (46482001).

1440941039 is an equidigital number, since it uses as much as digits as its factorization.

1440941039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46482000.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 1440941039 is about 37959.7291744817. The cubic root of 1440941039 is about 1129.4891676492.

The spelling of 1440941039 in words is "one billion, four hundred forty million, nine hundred forty-one thousand, thirty-nine".