42039355 has 4 divisors (see below), whose sum is σ = 50447232. Its totient is φ = 33631480.

The previous prime is 42039353. The next prime is 42039373. The reversal of 42039355 is 55393024.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42039355 - 2¹ = 42039353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42039353) 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, 4203931 + ... + 4203940.

It is an arithmetic number, because the mean of its divisors is an integer number (12611808).

Almost surely, 2^42039355 is an apocalyptic number.

42039355 is a deficient number, since it is larger than the sum of its proper divisors (8407877).

42039355 is an equidigital number, since it uses as much as digits as its factorization.

42039355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8407876.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 42039355 is about 6483.7762916375. The cubic root of 42039355 is about 347.7112012528.

The spelling of 42039355 in words is "forty-two million, thirty-nine thousand, three hundred fifty-five".