42387355 has 16 divisors (see below), whose sum is σ = 52012800. Its totient is φ = 33153120.

The previous prime is 42387337. The next prime is 42387383. The reversal of 42387355 is 55378324.

It is not a de Polignac number, because 42387355 - 2⁹ = 42386843 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48916 + ... + 49774.

It is an arithmetic number, because the mean of its divisors is an integer number (3250800).

Almost surely, 2^42387355 is an apocalyptic number.

42387355 is a deficient number, since it is larger than the sum of its proper divisors (9625445).

42387355 is a wasteful number, since it uses less digits than its factorization.

42387355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074.

The product of its digits is 100800, while the sum is 37.

The square root of 42387355 is about 6510.5571958167. The cubic root of 42387355 is about 348.6680121414.

It can be divided in two parts, 423 and 87355, that added together give a palindrome (87778).

The spelling of 42387355 in words is "forty-two million, three hundred eighty-seven thousand, three hundred fifty-five".