42014881 has 4 divisors (see below), whose sum is σ = 43463700. Its totient is φ = 40566064.

The previous prime is 42014879. The next prime is 42014887. The reversal of 42014881 is 18841024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9979281 + 32035600 = 3159^2 + 5660^2 .

It is a cyclic number.

It is not a de Polignac number, because 42014881 - 2¹ = 42014879 is a prime.

It is a super-2 number, since 2×42014881² = 3530500450888322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42014887) 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, 724366 + ... + 724423.

It is an arithmetic number, because the mean of its divisors is an integer number (10865925).

Almost surely, 2^42014881 is an apocalyptic number.

It is an amenable number.

42014881 is a deficient number, since it is larger than the sum of its proper divisors (1448819).

42014881 is a wasteful number, since it uses less digits than its factorization.

42014881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448818.

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 42014881 is about 6481.8886908061. Note that the first 3 decimals coincide. The cubic root of 42014881 is about 347.6437126193.

The spelling of 42014881 in words is "forty-two million, fourteen thousand, eight hundred eighty-one".