2991124032 has 336 divisors, whose sum is σ = 9322125120. Its totient is φ = 839946240.

The previous prime is 2991124027. The next prime is 2991124051. The reversal of 2991124032 is 2304211992.

It is a junction number, because it is equal to n+sod(n) for n = 2991123984 and 2991124002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69561003 + ... + 69561045.

It is an arithmetic number, because the mean of its divisors is an integer number (27744420).

Almost surely, 2^2991124032 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 2991124032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4661062560).

2991124032 is an abundant number, since it is smaller than the sum of its proper divisors (6331001088).

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

2991124032 is a wasteful number, since it uses less digits than its factorization.

2991124032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 2991124032 is about 54691.1695980256. The cubic root of 2991124032 is about 1440.8257917776.

The spelling of 2991124032 in words is "two billion, nine hundred ninety-one million, one hundred twenty-four thousand, thirty-two".