40052128 has 24 divisors (see below), whose sum is σ = 79101792. Its totient is φ = 19962816.

The previous prime is 40052123. The next prime is 40052137. The reversal of 40052128 is 82125004.

It is a junction number, because it is equal to n+sod(n) for n = 40052099 and 40052108.

It is not an unprimeable number, because it can be changed into a prime (40052123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9301 + ... + 12907.

It is an arithmetic number, because the mean of its divisors is an integer number (3295908).

Almost surely, 2^40052128 is an apocalyptic number.

It is an amenable number.

40052128 is a deficient number, since it is larger than the sum of its proper divisors (39049664).

40052128 is a wasteful number, since it uses less digits than its factorization.

40052128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964 (or 3956 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 40052128 is about 6328.6750588097. The cubic root of 40052128 is about 342.1436875566.

The spelling of 40052128 in words is "forty million, fifty-two thousand, one hundred twenty-eight".