42445515122 has 8 divisors (see below), whose sum is σ = 63672398976. Its totient is φ = 21221382132.

The previous prime is 42445515103. The next prime is 42445515127. The reversal of 42445515122 is 22151554424.

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

It is not an unprimeable number, because it can be changed into a prime (42445515127) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 648698 + ... + 711125.

It is an arithmetic number, because the mean of its divisors is an integer number (7959049872).

Almost surely, 2^42445515122 is an apocalyptic number.

42445515122 is a deficient number, since it is larger than the sum of its proper divisors (21226883854).

42445515122 is a wasteful number, since it uses less digits than its factorization.

42445515122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375432.

The product of its digits is 64000, while the sum is 35.

The spelling of 42445515122 in words is "forty-two billion, four hundred forty-five million, five hundred fifteen thousand, one hundred twenty-two".