41251440 has 40 divisors (see below), whose sum is σ = 127880208. Its totient is φ = 11000320.

The previous prime is 41251429. The next prime is 41251459. The reversal of 41251440 is 4415214.

It is a happy number.

41251440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85701 + ... + 86180.

Almost surely, 2^41251440 is an apocalyptic number.

41251440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41251440 is an abundant number, since it is smaller than the sum of its proper divisors (86628768).

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

41251440 is a wasteful number, since it uses less digits than its factorization.

41251440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171897 (or 171891 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 41251440 is about 6422.7283922022. The cubic root of 41251440 is about 345.5251820637.

Adding to 41251440 its reverse (4415214), we get a palindrome (45666654).

It can be divided in two parts, 4125 and 1440, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 41251440 in words is "forty-one million, two hundred fifty-one thousand, four hundred forty".