42444042398 has 16 divisors (see below), whose sum is σ = 65731115520. Its totient is φ = 20533906200.

The previous prime is 42444042257. The next prime is 42444042413. The reversal of 42444042398 is 89324044424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324293 + ... + 435951.

It is an arithmetic number, because the mean of its divisors is an integer number (4108194720).

Almost surely, 2^42444042398 is an apocalyptic number.

42444042398 is a deficient number, since it is larger than the sum of its proper divisors (23287073122).

42444042398 is a wasteful number, since it uses less digits than its factorization.

42444042398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117823.

The product of its (nonzero) digits is 884736, while the sum is 44.

The spelling of 42444042398 in words is "forty-two billion, four hundred forty-four million, forty-two thousand, three hundred ninety-eight".