42435508 has 6 divisors (see below), whose sum is σ = 74262146. Its totient is φ = 21217752.

The previous prime is 42435487. The next prime is 42435509. The reversal of 42435508 is 80553424.

It can be written as a sum of positive squares in only one way, i.e., 42146064 + 289444 = 6492^2 + 538^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42435508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42435509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5304435 + ... + 5304442.

Almost surely, 2^42435508 is an apocalyptic number.

It is an amenable number.

42435508 is a deficient number, since it is larger than the sum of its proper divisors (31826638).

42435508 is a wasteful number, since it uses less digits than its factorization.

42435508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10608881 (or 10608879 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 42435508 is about 6514.2542167158. The cubic root of 42435508 is about 348.7999937751.

The spelling of 42435508 in words is "forty-two million, four hundred thirty-five thousand, five hundred eight".