42413881 has 8 divisors (see below), whose sum is σ = 43966080. Its totient is φ = 40888848.

The previous prime is 42413857. The next prime is 42413897. The reversal of 42413881 is 18831424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42413881 - 2²³ = 34025273 is a prime.

It is a super-2 number, since 2×42413881² = 3597874602964322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42413821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3586 + ... + 9883.

It is an arithmetic number, because the mean of its divisors is an integer number (5495760).

Almost surely, 2^42413881 is an apocalyptic number.

It is an amenable number.

42413881 is a deficient number, since it is larger than the sum of its proper divisors (1552199).

42413881 is a wasteful number, since it uses less digits than its factorization.

42413881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13583.

The product of its digits is 6144, while the sum is 31.

The square root of 42413881 is about 6512.5940300314. The cubic root of 42413881 is about 348.7407291036.

The spelling of 42413881 in words is "forty-two million, four hundred thirteen thousand, eight hundred eighty-one".