3311851872 has 192 divisors, whose sum is σ = 10605095424. Its totient is φ = 883384320.

The previous prime is 3311851859. The next prime is 3311851877. The reversal of 3311851872 is 2781581133.

It is a self number, because there is not a number n which added to its sum of digits gives 3311851872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3311851877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1495438 + ... + 1497650.

It is an arithmetic number, because the mean of its divisors is an integer number (55234872).

Almost surely, 2^3311851872 is an apocalyptic number.

3311851872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3311851872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5302547712).

3311851872 is an abundant number, since it is smaller than the sum of its proper divisors (7293243552).

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

3311851872 is a wasteful number, since it uses less digits than its factorization.

3311851872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381 (or 2373 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 3311851872 is about 57548.6913143991. The cubic root of 3311851872 is about 1490.5857601122.

The spelling of 3311851872 in words is "three billion, three hundred eleven million, eight hundred fifty-one thousand, eight hundred seventy-two".