40423153244042 has 16 divisors (see below), whose sum is σ = 60715503528192. Its totient is φ = 20184665003760.

The previous prime is 40423153244009. The next prime is 40423153244059. The reversal of 40423153244042 is 24044235132404.

It is a junction number, because it is equal to n+sod(n) for n = 40423153243987 and 40423153244005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3021983 + ... + 9485709.

It is an arithmetic number, because the mean of its divisors is an integer number (3794718970512).

Almost surely, 2^{40423153244042} is an apocalyptic number.

40423153244042 is a deficient number, since it is larger than the sum of its proper divisors (20292350284150).

40423153244042 is a wasteful number, since it uses less digits than its factorization.

40423153244042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6467893.

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 40423153244042 its reverse (24044235132404), we get a palindrome (64467388376446).

The spelling of 40423153244042 in words is "forty trillion, four hundred twenty-three billion, one hundred fifty-three million, two hundred forty-four thousand, forty-two".