42447790446 has 64 divisors (see below), whose sum is σ = 90565171200. Its totient is φ = 13224806496.

The previous prime is 42447790397. The next prime is 42447790487. The reversal of 42447790446 is 64409774424.

42447790446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7935945 + ... + 7941291.

It is an arithmetic number, because the mean of its divisors is an integer number (1415080800).

Almost surely, 2^42447790446 is an apocalyptic number.

42447790446 is an abundant number, since it is smaller than the sum of its proper divisors (48117380754).

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

42447790446 is a wasteful number, since it uses less digits than its factorization.

42447790446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6293.

The product of its (nonzero) digits is 5419008, while the sum is 51.

The spelling of 42447790446 in words is "forty-two billion, four hundred forty-seven million, seven hundred ninety thousand, four hundred forty-six".