40459242 has 16 divisors (see below), whose sum is σ = 81456192. Its totient is φ = 13396800.

The previous prime is 40459229. The next prime is 40459249. The reversal of 40459242 is 24295404.

It is not an unprimeable number, because it can be changed into a prime (40459249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21423 + ... + 23234.

It is an arithmetic number, because the mean of its divisors is an integer number (5091012).

Almost surely, 2^40459242 is an apocalyptic number.

40459242 is an abundant number, since it is smaller than the sum of its proper divisors (40996950).

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

40459242 is a wasteful number, since it uses less digits than its factorization.

40459242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44813.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 40459242 is about 6360.7579737009. The cubic root of 40459242 is about 343.2990334499.

The spelling of 40459242 in words is "forty million, four hundred fifty-nine thousand, two hundred forty-two".