42021215348 has 24 divisors (see below), whose sum is σ = 84545688192. Its totient is φ = 17901251424.

The previous prime is 42021215339. The next prime is 42021215359. The reversal of 42021215348 is 84351212024.

It is a super-2 number, since 2×42021215348² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4488611 + ... + 4497962.

It is an arithmetic number, because the mean of its divisors is an integer number (3522737008).

Almost surely, 2^42021215348 is an apocalyptic number.

It is an amenable number.

42021215348 is an abundant number, since it is smaller than the sum of its proper divisors (42524472844).

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

42021215348 is a wasteful number, since it uses less digits than its factorization.

42021215348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8986751 (or 8986749 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 42021215348 in words is "forty-two billion, twenty-one million, two hundred fifteen thousand, three hundred forty-eight".