3081942528 has 320 divisors, whose sum is σ = 9872130048. Its totient is φ = 836075520.

The previous prime is 3081942517. The next prime is 3081942533. The reversal of 3081942528 is 8252491803.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 3081942528.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24267201 + ... + 24267327.

Almost surely, 2^3081942528 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 3081942528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4936065024).

3081942528 is an abundant number, since it is smaller than the sum of its proper divisors (6790187520).

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

3081942528 is a wasteful number, since it uses less digits than its factorization.

3081942528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 3081942528 is about 55515.2459059671. The cubic root of 3081942528 is about 1455.2630815841.

The spelling of 3081942528 in words is "three billion, eighty-one million, nine hundred forty-two thousand, five hundred twenty-eight".