40042441454 has 8 divisors (see below), whose sum is σ = 60195093888. Its totient is φ = 19977410160.

The previous prime is 40042441421. The next prime is 40042441463. The reversal of 40042441454 is 45414424004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40042441454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21904142 + ... + 21905969.

It is an arithmetic number, because the mean of its divisors is an integer number (7524386736).

Almost surely, 2^40042441454 is an apocalyptic number.

40042441454 is a deficient number, since it is larger than the sum of its proper divisors (20152652434).

40042441454 is a wasteful number, since it uses less digits than its factorization.

40042441454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43810570.

The product of its (nonzero) digits is 40960, while the sum is 32.

Adding to 40042441454 its reverse (45414424004), we get a palindrome (85456865458).

The spelling of 40042441454 in words is "forty billion, forty-two million, four hundred forty-one thousand, four hundred fifty-four".