42685440454 has 12 divisors (see below), whose sum is σ = 68016074724. Its totient is φ = 20087265824.

The previous prime is 42685440433. The next prime is 42685440521. The reversal of 42685440454 is 45404458624.

It is a super-3 number, since 3×42685440454³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 36924544 + ... + 36925699.

It is an arithmetic number, because the mean of its divisors is an integer number (5668006227).

Almost surely, 2^42685440454 is an apocalyptic number.

42685440454 is a deficient number, since it is larger than the sum of its proper divisors (25330634270).

42685440454 is a wasteful number, since it uses less digits than its factorization.

42685440454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73850279 (or 73850262 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 46.

The spelling of 42685440454 in words is "forty-two billion, six hundred eighty-five million, four hundred forty thousand, four hundred fifty-four".