999845768460 has 192 divisors, whose sum is σ = 3491380214784. Its totient is φ = 207700070400.

The previous prime is 999845768419. The next prime is 999845768461. The reversal of 999845768460 is 64867548999.

999845768460 is a nontrivial binomial coefficient, being equal to C(1414105, 2).

It is not an unprimeable number, because it can be changed into a prime (999845768461) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16939800 + ... + 16998720.

It is an arithmetic number, because the mean of its divisors is an integer number (18184271952).

Almost surely, 2^999845768460 is an apocalyptic number.

999845768460 is the 1414104-th triangular number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 999845768460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1745690107392).

999845768460 is an abundant number, since it is smaller than the sum of its proper divisors (2491534446324).

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

999845768460 is a wasteful number, since it uses less digits than its factorization.

999845768460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62624 (or 62622 counting only the distinct ones).

The product of its (nonzero) digits is 940584960, while the sum is 75.

The spelling of 999845768460 in words is "nine hundred ninety-nine billion, eight hundred forty-five million, seven hundred sixty-eight thousand, four hundred sixty".