990062279928 has 192 divisors, whose sum is σ = 2765476546560. Its totient is φ = 319845397248.

The previous prime is 990062279891. The next prime is 990062279929. The reversal of 990062279928 is 829972260099.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990062279929) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 149847201 + ... + 149853807.

It is an arithmetic number, because the mean of its divisors is an integer number (14403523680).

Almost surely, 2^990062279928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 990062279928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1382738273280).

990062279928 is an abundant number, since it is smaller than the sum of its proper divisors (1775414266632).

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

990062279928 is a wasteful number, since it uses less digits than its factorization.

990062279928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7146 (or 7139 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 63.

The spelling of 990062279928 in words is "nine hundred ninety billion, sixty-two million, two hundred seventy-nine thousand, nine hundred twenty-eight".