4040488 has 8 divisors (see below), whose sum is σ = 7575930. Its totient is φ = 2020240.

The previous prime is 4040473. The next prime is 4040501. The reversal of 4040488 is 8840404.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2196324 + 1844164 = 1482^2 + 1358^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252523 + ... + 252538.

Almost surely, 2^4040488 is an apocalyptic number.

It is an amenable number.

4040488 is a deficient number, since it is larger than the sum of its proper divisors (3535442).

4040488 is a wasteful number, since it uses less digits than its factorization.

4040488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505067 (or 505063 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 4040488 is about 2010.0965150957. The cubic root of 4040488 is about 159.2738973278.

The spelling of 4040488 in words is "four million, forty thousand, four hundred eighty-eight".