42001316 has 12 divisors (see below), whose sum is σ = 84002688. Its totient is φ = 18000552.

The previous prime is 42001307. The next prime is 42001319. The reversal of 42001316 is 61310024.

42001316 is an admirable number.

It is a super-2 number, since 2×42001316² = 3528221091463712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42001294 and 42001303.

It is not an unprimeable number, because it can be changed into a prime (42001319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749996 + ... + 750051.

It is an arithmetic number, because the mean of its divisors is an integer number (7000224).

Almost surely, 2^42001316 is an apocalyptic number.

It is an amenable number.

42001316 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42001316 is a wasteful number, since it uses less digits than its factorization.

42001316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500058 (or 1500056 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 42001316 is about 6480.8422292168. The cubic root of 42001316 is about 347.6062949674.

The spelling of 42001316 in words is "forty-two million, one thousand, three hundred sixteen".