42653438 has 8 divisors (see below), whose sum is σ = 64012032. Its totient is φ = 21316096.

The previous prime is 42653437. The next prime is 42653441. The reversal of 42653438 is 83435624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42653398 and 42653407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42653437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1406 + ... + 9342.

It is an arithmetic number, because the mean of its divisors is an integer number (8001504).

Almost surely, 2^42653438 is an apocalyptic number.

42653438 is a deficient number, since it is larger than the sum of its proper divisors (21358594).

42653438 is a wasteful number, since it uses less digits than its factorization.

42653438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10626.

The product of its digits is 69120, while the sum is 35.

The square root of 42653438 is about 6530.9599600671. The cubic root of 42653438 is about 349.3960687092.

The spelling of 42653438 in words is "forty-two million, six hundred fifty-three thousand, four hundred thirty-eight".