42356448 has 72 divisors (see below), whose sum is σ = 122476536. Its totient is φ = 13881600.

The previous prime is 42356441. The next prime is 42356467. The reversal of 42356448 is 84465324.

42356448 is a `hidden beast` number, since 4 + 2 + 3 + 5 + 644 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42356441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16363 + ... + 18773.

It is an arithmetic number, because the mean of its divisors is an integer number (1701063).

Almost surely, 2^42356448 is an apocalyptic number.

42356448 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 42356448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61238268).

42356448 is an abundant number, since it is smaller than the sum of its proper divisors (80120088).

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

42356448 is a wasteful number, since it uses less digits than its factorization.

42356448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488 (or 2477 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 42356448 is about 6508.1831566114. The cubic root of 42356448 is about 348.5832470622.

The spelling of 42356448 in words is "forty-two million, three hundred fifty-six thousand, four hundred forty-eight".