42436552 has 8 divisors (see below), whose sum is σ = 79568550. Its totient is φ = 21218272.

The previous prime is 42436549. The next prime is 42436553. The reversal of 42436552 is 25563424.

It can be written as a sum of positive squares in only one way, i.e., 42432196 + 4356 = 6514^2 + 66^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (42436553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2652277 + ... + 2652292.

Almost surely, 2^42436552 is an apocalyptic number.

It is an amenable number.

42436552 is a deficient number, since it is larger than the sum of its proper divisors (37131998).

42436552 is a wasteful number, since it uses less digits than its factorization.

42436552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5304575 (or 5304571 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 42436552 is about 6514.3343481894. The cubic root of 42436552 is about 348.8028541486.

Adding to 42436552 its reverse (25563424), we get a palindrome (67999976).

The spelling of 42436552 in words is "forty-two million, four hundred thirty-six thousand, five hundred fifty-two".