41020399 has 16 divisors (see below), whose sum is σ = 48672000. Its totient is φ = 34547352.

The previous prime is 41020391. The next prime is 41020433. The reversal of 41020399 is 99302014.

It is a happy number.

It is not a de Polignac number, because 41020399 - 2³ = 41020391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41020391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19224 + ... + 21250.

It is an arithmetic number, because the mean of its divisors is an integer number (3042000).

Almost surely, 2^41020399 is an apocalyptic number.

41020399 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

41020399 is a deficient number, since it is larger than the sum of its proper divisors (7651601).

41020399 is an equidigital number, since it uses as much as digits as its factorization.

41020399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107 (or 2093 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 41020399 is about 6404.7169336357. The cubic root of 41020399 is about 344.8789016977.

The spelling of 41020399 in words is "forty-one million, twenty thousand, three hundred ninety-nine".