42432855 has 8 divisors (see below), whose sum is σ = 67892592. Its totient is φ = 22630848.

The previous prime is 42432839. The next prime is 42432877. The reversal of 42432855 is 55823424.

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

It is not a de Polignac number, because 42432855 - 2⁴ = 42432839 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1414414 + ... + 1414443.

It is an arithmetic number, because the mean of its divisors is an integer number (8486574).

Almost surely, 2^42432855 is an apocalyptic number.

42432855 is a deficient number, since it is larger than the sum of its proper divisors (25459737).

42432855 is a wasteful number, since it uses less digits than its factorization.

42432855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828865.

The product of its digits is 38400, while the sum is 33.

The square root of 42432855 is about 6514.0505831625. The cubic root of 42432855 is about 348.7927248179.

The spelling of 42432855 in words is "forty-two million, four hundred thirty-two thousand, eight hundred fifty-five".