42140433 has 8 divisors (see below), whose sum is σ = 59492448. Its totient is φ = 26441024.

The previous prime is 42140419. The next prime is 42140443. The reversal of 42140433 is 33404124.

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

It is a cyclic number.

It is not a de Polignac number, because 42140433 - 2⁵ = 42140401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42140443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413091 + ... + 413192.

It is an arithmetic number, because the mean of its divisors is an integer number (7436556).

Almost surely, 2^42140433 is an apocalyptic number.

It is an amenable number.

42140433 is a deficient number, since it is larger than the sum of its proper divisors (17352015).

42140433 is a wasteful number, since it uses less digits than its factorization.

42140433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826303.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 42140433 is about 6491.5662978976. The cubic root of 42140433 is about 347.9896532133.

Adding to 42140433 its reverse (33404124), we get a palindrome (75544557).

The spelling of 42140433 in words is "forty-two million, one hundred forty thousand, four hundred thirty-three".