40240423131042 has 32 divisors (see below), whose sum is σ = 82151278410240. Its totient is φ = 13136956513920.

The previous prime is 40240423131031. The next prime is 40240423131049. The reversal of 40240423131042 is 24013132404204.

It is not an unprimeable number, because it can be changed into a prime (40240423131049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235851442 + ... + 236021997.

It is an arithmetic number, because the mean of its divisors is an integer number (2567227450320).

Almost surely, 2^{40240423131042} is an apocalyptic number.

40240423131042 is an abundant number, since it is smaller than the sum of its proper divisors (41910855279198).

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

40240423131042 is a wasteful number, since it uses less digits than its factorization.

40240423131042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471873738.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 40240423131042 its reverse (24013132404204), we get a palindrome (64253555535246).

The spelling of 40240423131042 in words is "forty trillion, two hundred forty billion, four hundred twenty-three million, one hundred thirty-one thousand, forty-two".