320245430986 has 16 divisors (see below), whose sum is σ = 518854629384. Its totient is φ = 147366987264.

The previous prime is 320245430957. The next prime is 320245430987. The reversal of 320245430986 is 689034542023.

It can be written as a sum of positive squares in 4 ways, for example, as 225643050361 + 94602380625 = 475019^2 + 307575^2 .

It is not an unprimeable number, because it can be changed into a prime (320245430987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18265915 + ... + 18283438.

Almost surely, 2^320245430986 is an apocalyptic number.

320245430986 is a deficient number, since it is larger than the sum of its proper divisors (198609198398).

320245430986 is a wasteful number, since it uses less digits than its factorization.

320245430986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36549705.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 320245430986 in words is "three hundred twenty billion, two hundred forty-five million, four hundred thirty thousand, nine hundred eighty-six".