42408351 has 6 divisors (see below), whose sum is σ = 61256520. Its totient is φ = 28272228.

The previous prime is 42408349. The next prime is 42408407. The reversal of 42408351 is 15380424.

It is not a de Polignac number, because 42408351 - 2¹ = 42408349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42408151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2356011 + ... + 2356028.

It is an arithmetic number, because the mean of its divisors is an integer number (10209420).

Almost surely, 2^42408351 is an apocalyptic number.

42408351 is a deficient number, since it is larger than the sum of its proper divisors (18848169).

42408351 is a wasteful number, since it uses less digits than its factorization.

42408351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712045 (or 4712042 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 42408351 is about 6512.1694541835. The cubic root of 42408351 is about 348.7255719584.

Adding to 42408351 its reverse (15380424), we get a palindrome (57788775).

The spelling of 42408351 in words is "forty-two million, four hundred eight thousand, three hundred fifty-one".