42447790445 has 8 divisors (see below), whose sum is σ = 51274682880. Its totient is φ = 33733342800.

The previous prime is 42447790397. The next prime is 42447790487. The reversal of 42447790445 is 54409774424.

42447790445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42447790445 - 2⁶ = 42447790381 is a prime.

It is a super-3 number, since 3×42447790445³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42447790393 and 42447790402.

It is a congruent number.

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, 28110365 + ... + 28111874.

It is an arithmetic number, because the mean of its divisors is an integer number (6409335360).

Almost surely, 2^42447790445 is an apocalyptic number.

It is an amenable number.

42447790445 is a deficient number, since it is larger than the sum of its proper divisors (8826892435).

42447790445 is a wasteful number, since it uses less digits than its factorization.

42447790445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56222395.

The product of its (nonzero) digits is 4515840, while the sum is 50.

The spelling of 42447790445 in words is "forty-two billion, four hundred forty-seven million, seven hundred ninety thousand, four hundred forty-five".