42215024 has 40 divisors (see below), whose sum is σ = 84786240. Its totient is φ = 20348928.

The previous prime is 42215023. The next prime is 42215027. The reversal of 42215024 is 42051224.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42214987 and 42215005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42215023) 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, 54512 + ... + 55280.

It is an arithmetic number, because the mean of its divisors is an integer number (2119656).

Almost surely, 2^42215024 is an apocalyptic number.

It is an amenable number.

42215024 is an abundant number, since it is smaller than the sum of its proper divisors (42571216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42215024 is a wasteful number, since it uses less digits than its factorization.

42215024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 42215024 is about 6497.3089814168. The cubic root of 42215024 is about 348.1948527833.

Adding to 42215024 its reverse (42051224), we get a palindrome (84266248).

The spelling of 42215024 in words is "forty-two million, two hundred fifteen thousand, twenty-four".