1440852874 has 8 divisors (see below), whose sum is σ = 2165275908. Its totient is φ = 719094240.

The previous prime is 1440852869. The next prime is 1440852883. The reversal of 1440852874 is 4782580441.

It can be written as a sum of positive squares in 2 ways, for example, as 1440733849 + 119025 = 37957^2 + 345^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1440852874.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664747 + ... + 666910.

Almost surely, 2^1440852874 is an apocalyptic number.

1440852874 is a deficient number, since it is larger than the sum of its proper divisors (724423034).

1440852874 is a wasteful number, since it uses less digits than its factorization.

1440852874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332200.

The product of its (nonzero) digits is 286720, while the sum is 43.

The square root of 1440852874 is about 37958.5678602341. The cubic root of 1440852874 is about 1129.4661309806.

The spelling of 1440852874 in words is "one billion, four hundred forty million, eight hundred fifty-two thousand, eight hundred seventy-four".