42660433 has 8 divisors (see below), whose sum is σ = 44285696. Its totient is φ = 41050800.

The previous prime is 42660407. The next prime is 42660451. The reversal of 42660433 is 33406624.

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

It is a de Polignac number, because none of the positive numbers 2^k-42660433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42660733) 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, 1810 + ... + 9412.

It is an arithmetic number, because the mean of its divisors is an integer number (5535712).

Almost surely, 2^42660433 is an apocalyptic number.

It is an amenable number.

42660433 is a deficient number, since it is larger than the sum of its proper divisors (1625263).

42660433 is a wasteful number, since it uses less digits than its factorization.

42660433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7815.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 42660433 is about 6531.4954642869. The cubic root of 42660433 is about 349.4151675362.

The spelling of 42660433 in words is "forty-two million, six hundred sixty thousand, four hundred thirty-three".