4012040 has 32 divisors (see below), whose sum is σ = 9504000. Its totient is φ = 1520064.

The previous prime is 4012037. The next prime is 4012067. The reversal of 4012040 is 402104.

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, 1880 + ... + 3399.

It is an arithmetic number, because the mean of its divisors is an integer number (297000).

Almost surely, 2^4012040 is an apocalyptic number.

4012040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4012040 is an abundant number, since it is smaller than the sum of its proper divisors (5491960).

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

4012040 is a wasteful number, since it uses less digits than its factorization.

4012040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5309 (or 5305 counting only the distinct ones).

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

The square root of 4012040 is about 2003.0077383775. The cubic root of 4012040 is about 158.8992149023.

Adding to 4012040 its reverse (402104), we get a palindrome (4414144).

The spelling of 4012040 in words is "four million, twelve thousand, forty".