42262544 has 20 divisors (see below), whose sum is σ = 86700924. Its totient is φ = 19888128.

The previous prime is 42262543. The next prime is 42262573. The reversal of 42262544 is 44526224.

It can be written as a sum of positive squares in 2 ways, for example, as 33500944 + 8761600 = 5788^2 + 2960^2 .

It is a super-2 number, since 2×42262544² = 3572245250703872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42262543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77417 + ... + 77960.

Almost surely, 2^42262544 is an apocalyptic number.

It is an amenable number.

42262544 is an abundant number, since it is smaller than the sum of its proper divisors (44438380).

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

42262544 is a wasteful number, since it uses less digits than its factorization.

42262544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155402 (or 155396 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 42262544 is about 6500.9648514663. The cubic root of 42262544 is about 348.3254541129.

Adding to 42262544 its reverse (44526224), we get a palindrome (86788768).

The spelling of 42262544 in words is "forty-two million, two hundred sixty-two thousand, five hundred forty-four".