42380881 has 16 divisors (see below), whose sum is σ = 47309184. Its totient is φ = 37759744.

The previous prime is 42380837. The next prime is 42380957. The reversal of 42380881 is 18808324.

It is not a de Polignac number, because 42380881 - 2¹³ = 42372689 is a prime.

It is a super-2 number, since 2×42380881² = 3592278148672322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42380081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41331 + ... + 42343.

It is an arithmetic number, because the mean of its divisors is an integer number (2956824).

Almost surely, 2^42380881 is an apocalyptic number.

It is an amenable number.

42380881 is a deficient number, since it is larger than the sum of its proper divisors (4928303).

42380881 is a wasteful number, since it uses less digits than its factorization.

42380881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160.

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 42380881 is about 6510.0599843627. The cubic root of 42380881 is about 348.6502600575.

The spelling of 42380881 in words is "forty-two million, three hundred eighty thousand, eight hundred eighty-one".