4040456 has 32 divisors (see below), whose sum is σ = 9037440. Its totient is φ = 1655808.

The previous prime is 4040431. The next prime is 4040459. The reversal of 4040456 is 6540404.

It is a happy number.

4040456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (4040459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281 + ... + 2856.

It is an arithmetic number, because the mean of its divisors is an integer number (282420).

Almost surely, 2^4040456 is an apocalyptic number.

4040456 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

4040456 is an abundant number, since it is smaller than the sum of its proper divisors (4996984).

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

4040456 is a wasteful number, since it uses less digits than its factorization.

4040456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173 (or 3169 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4040456 is about 2010.0885552632. The cubic root of 4040456 is about 159.2734768524.

It can be divided in two parts, 4040 and 456, that multiplied together give a triangular number (1842240 = T₁₉₁₉).

The spelling of 4040456 in words is "four million, forty thousand, four hundred fifty-six".