4940040 has 64 divisors (see below), whose sum is σ = 16940160. Its totient is φ = 1128960.

The previous prime is 4940017. The next prime is 4940051. The reversal of 4940040 is 400494.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 4939989 and 4940016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2101 + ... + 3780.

It is an arithmetic number, because the mean of its divisors is an integer number (264690).

Almost surely, 2^4940040 is an apocalyptic number.

4940040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4940040 is an abundant number, since it is smaller than the sum of its proper divisors (12000120).

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

4940040 is a wasteful number, since it uses less digits than its factorization.

4940040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5902 (or 5898 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4940040 is about 2222.6200754965. The cubic root of 4940040 is about 170.3113096177.

The spelling of 4940040 in words is "four million, nine hundred forty thousand, forty".