41251520 has 56 divisors (see below), whose sum is σ = 104022144. Its totient is φ = 15527936.

The previous prime is 41251519. The next prime is 41251523. The reversal of 41251520 is 2515214.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 41251492 and 41251501.

It is not an unprimeable number, because it can be changed into a prime (41251523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1649 + ... + 9231.

Almost surely, 2^41251520 is an apocalyptic number.

41251520 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 41251520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52011072).

41251520 is an abundant number, since it is smaller than the sum of its proper divisors (62770624).

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

41251520 is a wasteful number, since it uses less digits than its factorization.

41251520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7617 (or 7607 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 41251520 is about 6422.7346200820. The cubic root of 41251520 is about 345.5254054255.

Adding to 41251520 its reverse (2515214), we get a palindrome (43766734).

The spelling of 41251520 in words is "forty-one million, two hundred fifty-one thousand, five hundred twenty".