42880137 has 16 divisors (see below), whose sum is σ = 62016192. Its totient is φ = 26247680.

The previous prime is 42880129. The next prime is 42880139. The reversal of 42880137 is 73108824.

It is a cyclic number.

It is not a de Polignac number, because 42880137 - 2³ = 42880129 is a prime.

It is a super-2 number, since 2×42880137² = 3677412298277538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42880098 and 42880107.

It is not an unprimeable number, because it can be changed into a prime (42880139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8163 + ... + 12344.

It is an arithmetic number, because the mean of its divisors is an integer number (3876012).

Almost surely, 2^42880137 is an apocalyptic number.

It is an amenable number.

42880137 is a deficient number, since it is larger than the sum of its proper divisors (19136055).

42880137 is a wasteful number, since it uses less digits than its factorization.

42880137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20568.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 42880137 is about 6548.2926782483. The cubic root of 42880137 is about 350.0139776731.

The spelling of 42880137 in words is "forty-two million, eight hundred eighty thousand, one hundred thirty-seven".