999406030332 has 48 divisors (see below), whose sum is σ = 2421970588800. Its totient is φ = 320366424000.

The previous prime is 999406030313. The next prime is 999406030333. The reversal of 999406030332 is 233030604999.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999406030333) 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, 5633482 + ... + 5808177.

It is an arithmetic number, because the mean of its divisors is an integer number (50457720600).

Almost surely, 2^999406030332 is an apocalyptic number.

It is an amenable number.

999406030332 is an abundant number, since it is smaller than the sum of its proper divisors (1422564558468).

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

999406030332 is a wasteful number, since it uses less digits than its factorization.

999406030332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11441946 (or 11441944 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 48.

The spelling of 999406030332 in words is "nine hundred ninety-nine billion, four hundred six million, thirty thousand, three hundred thirty-two".