42541984 has 12 divisors (see below), whose sum is σ = 83754594. Its totient is φ = 21270976.

The previous prime is 42541979. The next prime is 42541999. The reversal of 42541984 is 48914524.

It can be written as a sum of positive squares in only one way, i.e., 27331984 + 15210000 = 5228^2 + 3900^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664687 + ... + 664750.

Almost surely, 2^42541984 is an apocalyptic number.

It is an amenable number.

42541984 is a deficient number, since it is larger than the sum of its proper divisors (41212610).

42541984 is a wasteful number, since it uses less digits than its factorization.

42541984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329447 (or 1329439 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 42541984 is about 6522.4216361716. The cubic root of 42541984 is about 349.0914777321.

It can be divided in two parts, 425419 and 84, that added together give a triangular number (425503 = T₉₂₂).

The spelling of 42541984 in words is "forty-two million, five hundred forty-one thousand, nine hundred eighty-four".