1440649706 has 8 divisors (see below), whose sum is σ = 2177470944. Its totient is φ = 714826060.

The previous prime is 1440649663. The next prime is 1440649729. The reversal of 1440649706 is 6079460441.

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

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, 2749070 + ... + 2749593.

It is an arithmetic number, because the mean of its divisors is an integer number (272183868).

Almost surely, 2^1440649706 is an apocalyptic number.

1440649706 is a deficient number, since it is larger than the sum of its proper divisors (736821238).

1440649706 is a wasteful number, since it uses less digits than its factorization.

1440649706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5498796.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 1440649706 is about 37955.8915848383. The cubic root of 1440649706 is about 1129.4130415534.

The spelling of 1440649706 in words is "one billion, four hundred forty million, six hundred forty-nine thousand, seven hundred six".