4040396728 has 16 divisors (see below), whose sum is σ = 7650752760. Its totient is φ = 2000196000.

The previous prime is 4040396677. The next prime is 4040396747. The reversal of 4040396728 is 8276930404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2499438 + ... + 2501053.

Almost surely, 2^4040396728 is an apocalyptic number.

It is an amenable number.

4040396728 is a deficient number, since it is larger than the sum of its proper divisors (3610356032).

4040396728 is a wasteful number, since it uses less digits than its factorization.

4040396728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000598 (or 5000594 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 4040396728 is about 63564.1150964914. The cubic root of 4040396728 is about 1592.7269802081.

The spelling of 4040396728 in words is "four billion, forty million, three hundred ninety-six thousand, seven hundred twenty-eight".