42895944 has 96 divisors (see below), whose sum is σ = 143008320. Its totient is φ = 11311488.

The previous prime is 42895927. The next prime is 42895949. The reversal of 42895944 is 44959824.

It is a super-2 number, since 2×42895944² = 3680124023302272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 42895944.

It is not an unprimeable number, because it can be changed into a prime (42895949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3279 + ... + 9825.

It is an arithmetic number, because the mean of its divisors is an integer number (1489670).

Almost surely, 2^42895944 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 42895944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71504160).

42895944 is an abundant number, since it is smaller than the sum of its proper divisors (100112376).

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

42895944 is a wasteful number, since it uses less digits than its factorization.

42895944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6579 (or 6572 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 42895944 is about 6549.4995228643. The cubic root of 42895944 is about 350.0569811990.

The spelling of 42895944 in words is "forty-two million, eight hundred ninety-five thousand, nine hundred forty-four".