42002355 has 16 divisors (see below), whose sum is σ = 67658400. Its totient is φ = 22249728.

The previous prime is 42002351. The next prime is 42002377. The reversal of 42002355 is 55320024.

42002355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42002355 - 2² = 42002351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42002351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7162 + ... + 11631.

It is an arithmetic number, because the mean of its divisors is an integer number (4228650).

Almost surely, 2^42002355 is an apocalyptic number.

42002355 is a deficient number, since it is larger than the sum of its proper divisors (25656045).

42002355 is a wasteful number, since it uses less digits than its factorization.

42002355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18950.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 42002355 is about 6480.9223880556. The cubic root of 42002355 is about 347.6091612265.

Adding to 42002355 its reverse (55320024), we get a palindrome (97322379).

It can be divided in two parts, 4200 and 2355, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 42002355 in words is "forty-two million, two thousand, three hundred fifty-five".