1399650040959 has 16 divisors (see below), whose sum is σ = 1868424678240. Its totient is φ = 931988090880.

The previous prime is 1399650040949. The next prime is 1399650040981. The reversal of 1399650040959 is 9590400569931.

It is not a de Polignac number, because 1399650040959 - 2⁹ = 1399650040447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399650040949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15941809 + ... + 16029365.

It is an arithmetic number, because the mean of its divisors is an integer number (116776542390).

Almost surely, 2^{1399650040959} is an apocalyptic number.

1399650040959 is a deficient number, since it is larger than the sum of its proper divisors (468774637281).

1399650040959 is a wasteful number, since it uses less digits than its factorization.

1399650040959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93850.

The product of its (nonzero) digits is 11809800, while the sum is 60.

The spelling of 1399650040959 in words is "one trillion, three hundred ninety-nine billion, six hundred fifty million, forty thousand, nine hundred fifty-nine".