40000240442442 has 32 divisors (see below), whose sum is σ = 91461078336384. Its totient is φ = 11424645460800.

The previous prime is 40000240442353. The next prime is 40000240442447. The reversal of 40000240442442 is 24424404200004.

It is not an unprimeable number, because it can be changed into a prime (40000240442447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166322809 + ... + 166563132.

It is an arithmetic number, because the mean of its divisors is an integer number (2858158698012).

Almost surely, 2^{40000240442442} is an apocalyptic number.

40000240442442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40000240442442 is an abundant number, since it is smaller than the sum of its proper divisors (51460837893942).

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

40000240442442 is a wasteful number, since it uses less digits than its factorization.

40000240442442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332888814.

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

Adding to 40000240442442 its reverse (24424404200004), we get a palindrome (64424644642446).

The spelling of 40000240442442 in words is "forty trillion, two hundred forty million, four hundred forty-two thousand, four hundred forty-two".