42061016 has 8 divisors (see below), whose sum is σ = 78864420. Its totient is φ = 21030504.

The previous prime is 42061001. The next prime is 42061021. The reversal of 42061016 is 61016024.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2628806 + ... + 2628821.

Almost surely, 2^42061016 is an apocalyptic number.

It is an amenable number.

42061016 is a deficient number, since it is larger than the sum of its proper divisors (36803404).

42061016 is a wasteful number, since it uses less digits than its factorization.

42061016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5257633 (or 5257629 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 42061016 is about 6485.4464765350. The cubic root of 42061016 is about 347.7709110105.

The spelling of 42061016 in words is "forty-two million, sixty-one thousand, sixteen".