4120040 has 16 divisors (see below), whose sum is σ = 9270180. Its totient is φ = 1648000.

The previous prime is 4120033. The next prime is 4120079. The reversal of 4120040 is 400214.

It can be written as a sum of positive squares in 2 ways, for example, as 3632836 + 487204 = 1906^2 + 698^2 .

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, 51461 + ... + 51540.

Almost surely, 2^4120040 is an apocalyptic number.

4120040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4120040 is an abundant number, since it is smaller than the sum of its proper divisors (5150140).

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

4120040 is a wasteful number, since it uses less digits than its factorization.

4120040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103012 (or 103008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 4120040 is about 2029.7881662873. The cubic root of 4120040 is about 160.3124104346.

Adding to 4120040 its reverse (400214), we get a palindrome (4520254).

The spelling of 4120040 in words is "four million, one hundred twenty thousand, forty".