42371980 has 48 divisors (see below), whose sum is σ = 106122240. Its totient is φ = 13894848.

The previous prime is 42371977. The next prime is 42371981. The reversal of 42371980 is 8917324.

It is not an unprimeable number, because it can be changed into a prime (42371981) 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, 3360 + ... + 9799.

It is an arithmetic number, because the mean of its divisors is an integer number (2210880).

Almost surely, 2^42371980 is an apocalyptic number.

It is an amenable number.

42371980 is an abundant number, since it is smaller than the sum of its proper divisors (63750260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42371980 is a wasteful number, since it uses less digits than its factorization.

42371980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13198 (or 13196 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 42371980 is about 6509.3763142101. The cubic root of 42371980 is about 348.6258500471.

Subtracting from 42371980 its reverse (8917324), we obtain a square (33454656 = 5784²).

The spelling of 42371980 in words is "forty-two million, three hundred seventy-one thousand, nine hundred eighty".