42084452 has 24 divisors (see below), whose sum is σ = 80672760. Its totient is φ = 19120640.

The previous prime is 42084431. The next prime is 42084463. The reversal of 42084452 is 25448024.

It can be written as a sum of positive squares in 4 ways, for example, as 26275876 + 15808576 = 5126^2 + 3976^2 .

It is a super-2 number, since 2×42084452² = 3542202200280608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8699 + ... + 12642.

It is an arithmetic number, because the mean of its divisors is an integer number (3361365).

Almost surely, 2^42084452 is an apocalyptic number.

It is an amenable number.

42084452 is a deficient number, since it is larger than the sum of its proper divisors (38588308).

42084452 is a wasteful number, since it uses less digits than its factorization.

42084452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21391 (or 21389 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 42084452 is about 6487.2530396155. The cubic root of 42084452 is about 347.8354905709.

The spelling of 42084452 in words is "forty-two million, eighty-four thousand, four hundred fifty-two".