42915648 has 56 divisors (see below), whose sum is σ = 114958368. Its totient is φ = 14127616.

The previous prime is 42915629. The next prime is 42915683. The reversal of 42915648 is 84651924.

It is a super-3 number, since 3×42915648³ (a number of 24 digits) contains 333 as substring.

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, 14590 + ... + 17282.

It is an arithmetic number, because the mean of its divisors is an integer number (2052828).

Almost surely, 2^42915648 is an apocalyptic number.

42915648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42915648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57479184).

42915648 is an abundant number, since it is smaller than the sum of its proper divisors (72042720).

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

42915648 is a wasteful number, since it uses less digits than its factorization.

42915648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791 (or 2781 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 42915648 is about 6551.0035872376. The cubic root of 42915648 is about 350.1105718672.

The spelling of 42915648 in words is "forty-two million, nine hundred fifteen thousand, six hundred forty-eight".