40440204400242 has 8 divisors (see below), whose sum is σ = 80880408800496. Its totient is φ = 13480068133412.

The previous prime is 40440204400147. The next prime is 40440204400289. The reversal of 40440204400242 is 24200440204404.

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

40440204400242 is an admirable 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, 3370017033348 + ... + 3370017033359.

It is an arithmetic number, because the mean of its divisors is an integer number (10110051100062).

Almost surely, 2^{40440204400242} is an apocalyptic number.

40440204400242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40440204400242 is a wasteful number, since it uses less digits than its factorization.

40440204400242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740034066712.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 40440204400242 its reverse (24200440204404), we get a palindrome (64640644604646).

The spelling of 40440204400242 in words is "forty trillion, four hundred forty billion, two hundred four million, four hundred thousand, two hundred forty-two".