42405355 has 16 divisors (see below), whose sum is σ = 51863328. Its totient is φ = 33280000.

The previous prime is 42405347. The next prime is 42405373. The reversal of 42405355 is 55350424.

It is not a de Polignac number, because 42405355 - 2³ = 42405347 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

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, 65835 + ... + 66475.

It is an arithmetic number, because the mean of its divisors is an integer number (3241458).

Almost surely, 2^42405355 is an apocalyptic number.

42405355 is a deficient number, since it is larger than the sum of its proper divisors (9457973).

42405355 is a wasteful number, since it uses less digits than its factorization.

42405355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 42405355 is about 6511.9394192514. The cubic root of 42405355 is about 348.7173596889.

Adding to 42405355 its reverse (55350424), we get a palindrome (97755779).

The spelling of 42405355 in words is "forty-two million, four hundred five thousand, three hundred fifty-five".