42241392 has 80 divisors (see below), whose sum is σ = 122030880. Its totient is φ = 13989888.

The previous prime is 42241387. The next prime is 42241393. The reversal of 42241392 is 29314224.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42241393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119488 + ... + 119840.

It is an arithmetic number, because the mean of its divisors is an integer number (1525386).

Almost surely, 2^42241392 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 42241392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61015440).

42241392 is an abundant number, since it is smaller than the sum of its proper divisors (79789488).

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

42241392 is a wasteful number, since it uses less digits than its factorization.

42241392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 635 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 42241392 is about 6499.3378124237. The cubic root of 42241392 is about 348.2673332268.

It can be divided in two parts, 422 and 41392, that added together give a palindrome (41814).

The spelling of 42241392 in words is "forty-two million, two hundred forty-one thousand, three hundred ninety-two".