42080291 has 6 divisors (see below), whose sum is σ = 46253676. Its totient is φ = 38254700.

The previous prime is 42080281. The next prime is 42080303. The reversal of 42080291 is 19208024.

It is not a de Polignac number, because 42080291 - 2¹⁴ = 42063907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42080291.

It is not an unprimeable number, because it can be changed into a prime (42080281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 173765 + ... + 174006.

It is an arithmetic number, because the mean of its divisors is an integer number (7708946).

Almost surely, 2^42080291 is an apocalyptic number.

42080291 is a deficient number, since it is larger than the sum of its proper divisors (4173385).

42080291 is a wasteful number, since it uses less digits than its factorization.

42080291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347793 (or 347782 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 42080291 is about 6486.9323258378. The cubic root of 42080291 is about 347.8240263911.

The spelling of 42080291 in words is "forty-two million, eighty thousand, two hundred ninety-one".