4040578156 has 24 divisors (see below), whose sum is σ = 7646256576. Its totient is φ = 1860990720.

The previous prime is 4040578151. The next prime is 4040578169. The reversal of 4040578156 is 6518750404.

4040578156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4040578151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628935 + ... + 635326.

It is an arithmetic number, because the mean of its divisors is an integer number (318594024).

Almost surely, 2^4040578156 is an apocalyptic number.

It is an amenable number.

4040578156 is a deficient number, since it is larger than the sum of its proper divisors (3605678420).

4040578156 is a wasteful number, since it uses less digits than its factorization.

4040578156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264329 (or 1264327 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 4040578156 is about 63565.5422064502. The cubic root of 4040578156 is about 1592.7508195293.

The spelling of 4040578156 in words is "four billion, forty million, five hundred seventy-eight thousand, one hundred fifty-six".