41990520 has 128 divisors (see below), whose sum is σ = 148055040. Its totient is φ = 9392640.

The previous prime is 41990503. The next prime is 41990569. The reversal of 41990520 is 2509914.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15937 + ... + 18383.

It is an arithmetic number, because the mean of its divisors is an integer number (1156680).

Almost surely, 2^41990520 is an apocalyptic number.

41990520 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 41990520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74027520).

41990520 is an abundant number, since it is smaller than the sum of its proper divisors (106064520).

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

41990520 is a wasteful number, since it uses less digits than its factorization.

41990520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485 (or 2481 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 41990520 is about 6480.0092592526. The cubic root of 41990520 is about 347.5765095583.

The spelling of 41990520 in words is "forty-one million, nine hundred ninety thousand, five hundred twenty".