42888744 has 128 divisors (see below), whose sum is σ = 127008000. Its totient is φ = 13381632.

The previous prime is 42888737. The next prime is 42888751. The reversal of 42888744 is 44788824.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42888737) and next prime (42888751).

Its product of digits (458752) is a multiple of the sum of its prime factors (224).

It is a self number, because there is not a number n which added to its sum of digits gives 42888744.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 442104 + ... + 442200.

It is an arithmetic number, because the mean of its divisors is an integer number (992250).

Almost surely, 2^42888744 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 42888744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63504000).

42888744 is an abundant number, since it is smaller than the sum of its proper divisors (84119256).

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

42888744 is a wasteful number, since it uses less digits than its factorization.

42888744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 214 counting only the distinct ones).

The product of its digits is 458752, while the sum is 45.

The square root of 42888744 is about 6548.9498394781. The cubic root of 42888744 is about 350.0373946440.

The spelling of 42888744 in words is "forty-two million, eight hundred eighty-eight thousand, seven hundred forty-four".