40446042 has 32 divisors (see below), whose sum is σ = 99560832. Its totient is φ = 10666944.

The previous prime is 40446023. The next prime is 40446053. The reversal of 40446042 is 24064404.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 36493 + ... + 37584.

It is an arithmetic number, because the mean of its divisors is an integer number (3111276).

Almost surely, 2^40446042 is an apocalyptic number.

40446042 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40446042 is an abundant number, since it is smaller than the sum of its proper divisors (59114790).

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

40446042 is a wasteful number, since it uses less digits than its factorization.

40446042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74102.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 40446042 is about 6359.7202768675. The cubic root of 40446042 is about 343.2616951318.

The spelling of 40446042 in words is "forty million, four hundred forty-six thousand, forty-two".