42024015 has 40 divisors (see below), whose sum is σ = 82189008. Its totient is φ = 20373120.

The previous prime is 42024007. The next prime is 42024023. The reversal of 42024015 is 51042024.

42024015 is a `hidden beast` number, since 420 + 240 + 1 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (42024007) and next prime (42024023).

It is not a de Polignac number, because 42024015 - 2³ = 42024007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 262 + ... + 9171.

Almost surely, 2^42024015 is an apocalyptic number.

42024015 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42024015 is a deficient number, since it is larger than the sum of its proper divisors (40164993).

42024015 is a wasteful number, since it uses less digits than its factorization.

42024015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9461 (or 9452 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 42024015 is about 6482.5932311074. The cubic root of 42024015 is about 347.6689032781.

Adding to 42024015 its reverse (51042024), we get a palindrome (93066039).

Subtracting 42024015 from its reverse (51042024), we obtain a square (9018009 = 3003²).

The spelling of 42024015 in words is "forty-two million, twenty-four thousand, fifteen".