4578541940 has 24 divisors (see below), whose sum is σ = 10988500992. Its totient is φ = 1569785760.

The previous prime is 4578541921. The next prime is 4578542009. The reversal of 4578541940 is 491458754.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16351796 + ... + 16352075.

It is an arithmetic number, because the mean of its divisors is an integer number (457854208).

Almost surely, 2^4578541940 is an apocalyptic number.

It is an amenable number.

4578541940 is an abundant number, since it is smaller than the sum of its proper divisors (6409959052).

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

4578541940 is a wasteful number, since it uses less digits than its factorization.

4578541940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32703887 (or 32703885 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 47.

The square root of 4578541940 is about 67664.9240005485. The cubic root of 4578541940 is about 1660.5134546571.

The spelling of 4578541940 in words is "four billion, five hundred seventy-eight million, five hundred forty-one thousand, nine hundred forty".