42688359 has 18 divisors (see below), whose sum is σ = 71728800. Its totient is φ = 24393096.

The previous prime is 42688337. The next prime is 42688363. The reversal of 42688359 is 95388624.

It is not a de Polignac number, because 42688359 - 2¹³ = 42680167 is a prime.

It is a super-3 number, since 3×42688359³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42688159) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 47959 + ... + 48840.

Almost surely, 2^42688359 is an apocalyptic number.

42688359 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

42688359 is a deficient number, since it is larger than the sum of its proper divisors (29040441).

42688359 is a wasteful number, since it uses less digits than its factorization.

42688359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96819 (or 96809 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 42688359 is about 6533.6329097983. The cubic root of 42688359 is about 349.4913946072.

The spelling of 42688359 in words is "forty-two million, six hundred eighty-eight thousand, three hundred fifty-nine".