2956939128 has 128 divisors (see below), whose sum is σ = 9649785600. Its totient is φ = 827107200.

The previous prime is 2956939109. The next prime is 2956939157. The reversal of 2956939128 is 8219396592.

It is a happy number.

2956939128 is a `hidden beast` number, since 29 + 569 + 39 + 1 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 16978 + ... + 78753.

It is an arithmetic number, because the mean of its divisors is an integer number (75388950).

Almost surely, 2^2956939128 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 2956939128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4824892800).

2956939128 is an abundant number, since it is smaller than the sum of its proper divisors (6692846472).

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

2956939128 is a wasteful number, since it uses less digits than its factorization.

2956939128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95770 (or 95760 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 2956939128 is about 54377.7447858956. The cubic root of 2956939128 is about 1435.3157860636.

The spelling of 2956939128 in words is "two billion, nine hundred fifty-six million, nine hundred thirty-nine thousand, one hundred twenty-eight".