41621980 has 12 divisors (see below), whose sum is σ = 87406200. Its totient is φ = 16648784.

The previous prime is 41621891. The next prime is 41621981. The reversal of 41621980 is 8912614.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41621981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040530 + ... + 1040569.

It is an arithmetic number, because the mean of its divisors is an integer number (7283850).

Almost surely, 2^41621980 is an apocalyptic number.

It is an amenable number.

41621980 is an abundant number, since it is smaller than the sum of its proper divisors (45784220).

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

41621980 is a wasteful number, since it uses less digits than its factorization.

41621980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081108 (or 2081106 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 41621980 is about 6451.5099007907. The cubic root of 41621980 is about 346.5566568260.

The spelling of 41621980 in words is "forty-one million, six hundred twenty-one thousand, nine hundred eighty".