42481944 has 24 divisors (see below), whose sum is σ = 115055460. Its totient is φ = 14160624.

The previous prime is 42481939. The next prime is 42481949. The reversal of 42481944 is 44918424.

It is an interprime number because it is at equal distance from previous prime (42481939) and next prime (42481949).

It is a tau number, because it is divible by the number of its divisors (24).

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

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

It is a junction number, because it is equal to n+sod(n) for n = 42481899 and 42481908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42481949) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 294942 + ... + 295085.

Almost surely, 2^42481944 is an apocalyptic number.

It is an amenable number.

42481944 is an abundant number, since it is smaller than the sum of its proper divisors (72573516).

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

42481944 is a wasteful number, since it uses less digits than its factorization.

42481944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590039 (or 590032 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 42481944 is about 6517.8174261021. The cubic root of 42481944 is about 348.9271747840.

The spelling of 42481944 in words is "forty-two million, four hundred eighty-one thousand, nine hundred forty-four".