41445621 has 24 divisors (see below), whose sum is σ = 71427840. Its totient is φ = 23682456.

The previous prime is 41445617. The next prime is 41445641. The reversal of 41445621 is 12654414.

It is not a de Polignac number, because 41445621 - 2² = 41445617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41445601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14341 + ... + 16986.

It is an arithmetic number, because the mean of its divisors is an integer number (2976160).

Almost surely, 2^41445621 is an apocalyptic number.

It is an amenable number.

41445621 is a deficient number, since it is larger than the sum of its proper divisors (29982219).

41445621 is a wasteful number, since it uses less digits than its factorization.

41445621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31350 (or 31337 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 41445621 is about 6437.8273509003. The cubic root of 41445621 is about 346.0664918377.

The spelling of 41445621 in words is "forty-one million, four hundred forty-five thousand, six hundred twenty-one".