2945912832 has 156 divisors (see below), whose sum is σ = 8580400140. Its totient is φ = 973799424.

The previous prime is 2945912819. The next prime is 2945912873. The reversal of 2945912832 is 2382195492.

2945912832 is a `hidden beast` number, since 2 + 9 + 4 + 591 + 28 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1656815616 + 1289097216 = 40704^2 + 35904^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5787394 + ... + 5787902.

It is an arithmetic number, because the mean of its divisors is an integer number (55002565).

Almost surely, 2^2945912832 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 2945912832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4290200070).

2945912832 is an abundant number, since it is smaller than the sum of its proper divisors (5634487308).

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

2945912832 is a wasteful number, since it uses less digits than its factorization.

2945912832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 671 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 2945912832 is about 54276.2639834394. The cubic root of 2945912832 is about 1433.5294873907.

The spelling of 2945912832 in words is "two billion, nine hundred forty-five million, nine hundred twelve thousand, eight hundred thirty-two".