42296544 has 144 divisors (see below), whose sum is σ = 130555152. Its totient is φ = 12939264.

The previous prime is 42296537. The next prime is 42296549. The reversal of 42296544 is 44569224.

42296544 is a `hidden beast` number, since 4 + 22 + 96 + 544 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a junction number, because it is equal to n+sod(n) for n = 42296499 and 42296508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42296549) 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, 259407 + ... + 259569.

It is an arithmetic number, because the mean of its divisors is an integer number (906633).

Almost surely, 2^42296544 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 42296544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65277576).

42296544 is an abundant number, since it is smaller than the sum of its proper divisors (88258608).

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

42296544 is a wasteful number, since it uses less digits than its factorization.

42296544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 238 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 42296544 is about 6503.5793221887. The cubic root of 42296544 is about 348.4188377559.

The spelling of 42296544 in words is "forty-two million, two hundred ninety-six thousand, five hundred forty-four".