42261324 has 72 divisors (see below), whose sum is σ = 117574128. Its totient is φ = 11773440.

The previous prime is 42261229. The next prime is 42261341. The reversal of 42261324 is 42316224.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 42261294 and 42261303.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23232 + ... + 24984.

It is an arithmetic number, because the mean of its divisors is an integer number (1632974).

Almost surely, 2^42261324 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 42261324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58787064).

42261324 is an abundant number, since it is smaller than the sum of its proper divisors (75312804).

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

42261324 is a wasteful number, since it uses less digits than its factorization.

42261324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815 (or 1806 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 42261324 is about 6500.8710185636. The cubic root of 42261324 is about 348.3221023574.

Adding to 42261324 its reverse (42316224), we get a palindrome (84577548).

The spelling of 42261324 in words is "forty-two million, two hundred sixty-one thousand, three hundred twenty-four".