42901881 has 24 divisors (see below), whose sum is σ = 63776160. Its totient is φ = 25629120.

The previous prime is 42901879. The next prime is 42901883. The reversal of 42901881 is 18810924.

42901881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42901879) and next prime (42901883).

It is not a de Polignac number, because 42901881 - 2¹ = 42901879 is a prime.

It is a super-2 number, since 2×42901881² = 3681142786676322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (42901883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25690 + ... + 27308.

It is an arithmetic number, because the mean of its divisors is an integer number (2657340).

Almost surely, 2^42901881 is an apocalyptic number.

It is an amenable number.

42901881 is a deficient number, since it is larger than the sum of its proper divisors (20874279).

42901881 is a wasteful number, since it uses less digits than its factorization.

42901881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717 (or 1706 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 42901881 is about 6549.9527479212. The cubic root of 42901881 is about 350.0731302971.

The spelling of 42901881 in words is "forty-two million, nine hundred one thousand, eight hundred eighty-one".