42361538 has 16 divisors (see below), whose sum is σ = 67150080. Its totient is φ = 20001696.

The previous prime is 42361537. The next prime is 42361541. The reversal of 42361538 is 83516324.

It is a super-3 number, since 3×42361538³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42361537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2195 + ... + 9462.

It is an arithmetic number, because the mean of its divisors is an integer number (4196880).

Almost surely, 2^42361538 is an apocalyptic number.

42361538 is a deficient number, since it is larger than the sum of its proper divisors (24788542).

42361538 is a wasteful number, since it uses less digits than its factorization.

42361538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11761.

The product of its digits is 17280, while the sum is 32.

The square root of 42361538 is about 6508.5741910191. The cubic root of 42361538 is about 348.5972096562.

The spelling of 42361538 in words is "forty-two million, three hundred sixty-one thousand, five hundred thirty-eight".