40464842 has 16 divisors (see below), whose sum is σ = 66874464. Its totient is φ = 18210000.

The previous prime is 40464839. The next prime is 40464847. The reversal of 40464842 is 24846404.

40464842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40464799 and 40464808.

It is not an unprimeable number, because it can be changed into a prime (40464847) 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, 6884 + ... + 11327.

It is an arithmetic number, because the mean of its divisors is an integer number (4179654).

Almost surely, 2^40464842 is an apocalyptic number.

40464842 is a deficient number, since it is larger than the sum of its proper divisors (26409622).

40464842 is a wasteful number, since it uses less digits than its factorization.

40464842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18325.

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 40464842 is about 6361.1981575801. The cubic root of 40464842 is about 343.3148714950.

It can be divided in two parts, 4046 and 4842, that added together give a palindrome (8888).

The spelling of 40464842 in words is "forty million, four hundred sixty-four thousand, eight hundred forty-two".