42246444420146 has 8 divisors (see below), whose sum is σ = 63388828922160. Its totient is φ = 21116834779428.

The previous prime is 42246444420121. The next prime is 42246444420157. The reversal of 42246444420146 is 64102444464224.

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

It is a super-2 number, since 2×42246444420146² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42246444420146.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3193707056 + ... + 3193720283.

It is an arithmetic number, because the mean of its divisors is an integer number (7923603615270).

Almost surely, 2^{42246444420146} is an apocalyptic number.

42246444420146 is a deficient number, since it is larger than the sum of its proper divisors (21142384502014).

42246444420146 is a wasteful number, since it uses less digits than its factorization.

42246444420146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6387430648.

The product of its (nonzero) digits is 4718592, while the sum is 47.

The spelling of 42246444420146 in words is "forty-two trillion, two hundred forty-six billion, four hundred forty-four million, four hundred twenty thousand, one hundred forty-six".