42310624 has 48 divisors (see below), whose sum is σ = 86386608. Its totient is φ = 20385792.

The previous prime is 42310613. The next prime is 42310657. The reversal of 42310624 is 42601324.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42310595 and 42310604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133314 + ... + 133630.

It is an arithmetic number, because the mean of its divisors is an integer number (1799721).

Almost surely, 2^42310624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42310624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43193304).

42310624 is an abundant number, since it is smaller than the sum of its proper divisors (44075984).

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

42310624 is a wasteful number, since it uses less digits than its factorization.

42310624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 42310624 is about 6504.6617129563. The cubic root of 42310624 is about 348.4574949172.

Adding to 42310624 its reverse (42601324), we get a palindrome (84911948).

The spelling of 42310624 in words is "forty-two million, three hundred ten thousand, six hundred twenty-four".