999999949013960 has 64 divisors (see below), whose sum is σ = 2269987027616880. Its totient is φ = 396446945771520.

The previous prime is 999999949013959. The next prime is 999999949013969. The reversal of 999999949013960 is 69310949999999.

It can be written as a sum of positive squares in 8 ways, for example, as 1824547174564 + 998175401839396 = 1350758^2 + 31593914^2 .

It is not an unprimeable number, because it can be changed into a prime (999999949013969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132530120 + ... + 139872200.

Almost surely, 2^{999999949013960} is an apocalyptic number.

It is an amenable number.

999999949013960 is an abundant number, since it is smaller than the sum of its proper divisors (1269987078602920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999999949013960 is a wasteful number, since it uses less digits than its factorization.

999999949013960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7372338 (or 7372334 counting only the distinct ones).

The product of its (nonzero) digits is 27894275208, while the sum is 95.

The spelling of 999999949013960 in words is "nine hundred ninety-nine trillion, nine hundred ninety-nine billion, nine hundred forty-nine million, thirteen thousand, nine hundred sixty".