42385492 has 6 divisors (see below), whose sum is σ = 74174618. Its totient is φ = 21192744.

The previous prime is 42385457. The next prime is 42385507. The reversal of 42385492 is 29458324.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 37527876 + 4857616 = 6126^2 + 2204^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5298183 + ... + 5298190.

Almost surely, 2^42385492 is an apocalyptic number.

It is an amenable number.

42385492 is a deficient number, since it is larger than the sum of its proper divisors (31789126).

42385492 is a wasteful number, since it uses less digits than its factorization.

42385492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10596377 (or 10596375 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 42385492 is about 6510.4141189328. The cubic root of 42385492 is about 348.6629038725.

It can be divided in two parts, 4238 and 5492, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 42385492 in words is "forty-two million, three hundred eighty-five thousand, four hundred ninety-two".