42060816 has 120 divisors (see below), whose sum is σ = 140511840. Its totient is φ = 12011328.

The previous prime is 42060797. The next prime is 42060829. The reversal of 42060816 is 61806024.

42060816 is a `hidden beast` number, since 42 + 0 + 608 + 16 = 666.

It is a super-2 number, since 2×42060816² = 3538224485171712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 42060816.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20175 + ... + 22161.

It is an arithmetic number, because the mean of its divisors is an integer number (1170932).

Almost surely, 2^42060816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42060816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70255920).

42060816 is an abundant number, since it is smaller than the sum of its proper divisors (98451024).

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

42060816 is a wasteful number, since it uses less digits than its factorization.

42060816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018 (or 1999 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 42060816 is about 6485.4310573778. The cubic root of 42060816 is about 347.7703597931.

The spelling of 42060816 in words is "forty-two million, sixty thousand, eight hundred sixteen".