42315264 has 80 divisors (see below), whose sum is σ = 125297040. Its totient is φ = 14100480.

The previous prime is 42315241. The next prime is 42315269. The reversal of 42315264 is 46251324.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42315269) 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, 12294 + ... + 15354.

It is an arithmetic number, because the mean of its divisors is an integer number (1566213).

Almost surely, 2^42315264 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 42315264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62648520).

42315264 is an abundant number, since it is smaller than the sum of its proper divisors (82981776).

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

42315264 is an equidigital number, since it uses as much as digits as its factorization.

42315264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088 (or 3066 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 42315264 is about 6505.0183704583. The cubic root of 42315264 is about 348.4702323302.

Adding to 42315264 its reverse (46251324), we get a palindrome (88566588).

The spelling of 42315264 in words is "forty-two million, three hundred fifteen thousand, two hundred sixty-four".