42980571 has 8 divisors (see below), whose sum is σ = 63674960. Its totient is φ = 28653696.

The previous prime is 42980563. The next prime is 42980621. The reversal of 42980571 is 17508924.

42980571 is a `hidden beast` number, since 4 + 2 + 9 + 80 + 571 = 666.

It is not a de Polignac number, because 42980571 - 2³ = 42980563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42980501) 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, 795910 + ... + 795963.

It is an arithmetic number, because the mean of its divisors is an integer number (7959370).

Almost surely, 2^42980571 is an apocalyptic number.

42980571 is a deficient number, since it is larger than the sum of its proper divisors (20694389).

42980571 is a wasteful number, since it uses less digits than its factorization.

42980571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591882 (or 1591876 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 42980571 is about 6555.9569095594. The cubic root of 42980571 is about 350.2870325694.

The spelling of 42980571 in words is "forty-two million, nine hundred eighty thousand, five hundred seventy-one".