42445644306 has 16 divisors (see below), whose sum is σ = 91421387904. Its totient is φ = 13060198224.

The previous prime is 42445644253. The next prime is 42445644313. The reversal of 42445644306 is 60344654424.

It is a happy 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, 272087386 + ... + 272087541.

It is an arithmetic number, because the mean of its divisors is an integer number (5713836744).

Almost surely, 2^42445644306 is an apocalyptic number.

42445644306 is an abundant number, since it is smaller than the sum of its proper divisors (48975743598).

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

42445644306 is a wasteful number, since it uses less digits than its factorization.

42445644306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544174945.

The product of its (nonzero) digits is 1105920, while the sum is 42.

The spelling of 42445644306 in words is "forty-two billion, four hundred forty-five million, six hundred forty-four thousand, three hundred six".