42454551522444 has 12 divisors (see below), whose sum is σ = 99060620219064. Its totient is φ = 14151517174144.

The previous prime is 42454551522443. The next prime is 42454551522457. The reversal of 42454551522444 is 44422515545424.

42454551522444 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (42454551522443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1768939646757 + ... + 1768939646780.

It is an arithmetic number, because the mean of its divisors is an integer number (8255051684922).

Almost surely, 2^{42454551522444} is an apocalyptic number.

It is an amenable number.

42454551522444 is an abundant number, since it is smaller than the sum of its proper divisors (56606068696620).

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

42454551522444 is a wasteful number, since it uses less digits than its factorization.

42454551522444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3537879293544 (or 3537879293542 counting only the distinct ones).

The product of its digits is 20480000, while the sum is 51.

The spelling of 42454551522444 in words is "forty-two trillion, four hundred fifty-four billion, five hundred fifty-one million, five hundred twenty-two thousand, four hundred forty-four".