42444404626 has 32 divisors (see below), whose sum is σ = 68831138880. Its totient is φ = 19513555776.

The previous prime is 42444404609. The next prime is 42444404683. The reversal of 42444404626 is 62640444424.

It is a happy number.

42444404626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42444404626² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8864205 + ... + 8868991.

It is an arithmetic number, because the mean of its divisors is an integer number (2150973090).

Almost surely, 2^42444404626 is an apocalyptic number.

42444404626 is a deficient number, since it is larger than the sum of its proper divisors (26386734254).

42444404626 is a wasteful number, since it uses less digits than its factorization.

42444404626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6058.

The product of its (nonzero) digits is 589824, while the sum is 40.

The spelling of 42444404626 in words is "forty-two billion, four hundred forty-four million, four hundred four thousand, six hundred twenty-six".