41520444240 has 160 divisors (see below), whose sum is σ = 140626285056. Its totient is φ = 10050388480.

The previous prime is 41520444233. The next prime is 41520444247. The reversal of 41520444240 is 4244402514.

It is an interprime number because it is at equal distance from previous prime (41520444233) and next prime (41520444247).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 41520444198 and 41520444207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41520444247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1791607 + ... + 1814633.

Almost surely, 2^41520444240 is an apocalyptic number.

41520444240 is a gapful number since it is divisible by the number (40) 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 41520444240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70313142528).

41520444240 is an abundant number, since it is smaller than the sum of its proper divisors (99105840816).

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

41520444240 is a wasteful number, since it uses less digits than its factorization.

41520444240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23737 (or 23731 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 41520444240 its reverse (4244402514), we get a palindrome (45764846754).

The spelling of 41520444240 in words is "forty-one billion, five hundred twenty million, four hundred forty-four thousand, two hundred forty".