4194932128 has 48 divisors (see below), whose sum is σ = 8774536680. Its totient is φ = 1970390016.

The previous prime is 4194932117. The next prime is 4194932167. The reversal of 4194932128 is 8212394914.

It can be written as a sum of positive squares in 4 ways, for example, as 4135518864 + 59413264 = 64308^2 + 7708^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26751 + ... + 95422.

Almost surely, 2^4194932128 is an apocalyptic number.

It is an amenable number.

4194932128 is an abundant number, since it is smaller than the sum of its proper divisors (4579604552).

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

4194932128 is a wasteful number, since it uses less digits than its factorization.

4194932128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122249 (or 122241 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 4194932128 is about 64768.2957009060. The cubic root of 4194932128 is about 1612.7794443727.

The spelling of 4194932128 in words is "four billion, one hundred ninety-four million, nine hundred thirty-two thousand, one hundred twenty-eight".