4026040 has 32 divisors (see below), whose sum is σ = 9117360. Its totient is φ = 1600000.

The previous prime is 4026031. The next prime is 4026053. The reversal of 4026040 is 406204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9840 + ... + 10240.

Almost surely, 2^4026040 is an apocalyptic number.

4026040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4026040 is an abundant number, since it is smaller than the sum of its proper divisors (5091320).

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

4026040 is a wasteful number, since it uses less digits than its factorization.

4026040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4026040 is about 2006.4994393221. The cubic root of 4026040 is about 159.0838264256.

The spelling of 4026040 in words is "four million, twenty-six thousand, forty".