40455404 has 24 divisors (see below), whose sum is σ = 78391488. Its totient is φ = 18113040.

The previous prime is 40455361. The next prime is 40455407.

40455404 is nontrivially palindromic in base 10.

40455404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40455407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3914 + ... + 9809.

It is an arithmetic number, because the mean of its divisors is an integer number (3266312).

Almost surely, 2^40455404 is an apocalyptic number.

40455404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40455404 is a deficient number, since it is larger than the sum of its proper divisors (37936084).

40455404 is a wasteful number, since it uses less digits than its factorization.

40455404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13805 (or 13803 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 40455404 is about 6360.4562729414. The cubic root of 40455404 is about 343.2881778885.

It can be divided in two parts, 4045 and 5404, that added together give a palindrome (9449).

The spelling of 40455404 in words is "forty million, four hundred fifty-five thousand, four hundred four".