42258744 has 96 divisors (see below), whose sum is σ = 125938800. Its totient is φ = 12695040.

The previous prime is 42258743. The next prime is 42258757. The reversal of 42258744 is 44785224.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 42258699 and 42258708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42258743) 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, 181252 + ... + 181484.

Almost surely, 2^42258744 is an apocalyptic number.

42258744 is a gapful number since it is divisible by the number (44) 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 42258744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62969400).

42258744 is an abundant number, since it is smaller than the sum of its proper divisors (83680056).

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

42258744 is a wasteful number, since it uses less digits than its factorization.

42258744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 478 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 42258744 is about 6500.6725805873. The cubic root of 42258744 is about 348.3150140062.

The spelling of 42258744 in words is "forty-two million, two hundred fifty-eight thousand, seven hundred forty-four".