42342540642436 has 48 divisors (see below), whose sum is σ = 77549662310400. Its totient is φ = 20190998471072.

The previous prime is 42342540642379. The next prime is 42342540642439. The reversal of 42342540642436 is 63424604524324.

It is a super-3 number, since 3×42342540642436³ (a number of 42 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42342540642436.

It is not an unprimeable number, because it can be changed into a prime (42342540642439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58286895 + ... + 59008873.

It is an arithmetic number, because the mean of its divisors is an integer number (1615617964800).

Almost surely, 2^{42342540642436} is an apocalyptic number.

42342540642436 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

42342540642436 is a deficient number, since it is larger than the sum of its proper divisors (35207121667964).

42342540642436 is a wasteful number, since it uses less digits than its factorization.

42342540642436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723888 (or 723886 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 49.

The spelling of 42342540642436 in words is "forty-two trillion, three hundred forty-two billion, five hundred forty million, six hundred forty-two thousand, four hundred thirty-six".