42405024 has 48 divisors (see below), whose sum is σ = 114912000. Its totient is φ = 13678080.

The previous prime is 42405023. The next prime is 42405049. The reversal of 42405024 is 42050424.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (42405023) 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, 4149 + ... + 10100.

It is an arithmetic number, because the mean of its divisors is an integer number (2394000).

Almost surely, 2^42405024 is an apocalyptic number.

It is an amenable number.

42405024 is an abundant number, since it is smaller than the sum of its proper divisors (72506976).

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

42405024 is a wasteful number, since it uses less digits than its factorization.

42405024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14293 (or 14285 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 42405024 is about 6511.9140043462. The cubic root of 42405024 is about 348.7164523684.

Adding to 42405024 its reverse (42050424), we get a palindrome (84455448).

The spelling of 42405024 in words is "forty-two million, four hundred five thousand, twenty-four".