41819985 has 12 divisors (see below), whose sum is σ = 72488052. Its totient is φ = 22303968.

The previous prime is 41819977. The next prime is 41820013. The reversal of 41819985 is 58991814.

It can be written as a sum of positive squares in 2 ways, for example, as 11778624 + 30041361 = 3432^2 + 5481^2 .

It is not a de Polignac number, because 41819985 - 2³ = 41819977 is a prime.

It is a super-2 number, since 2×41819985² = 3497822290800450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 929333 = 41819985 / (4 + 1 + 8 + 1 + 9 + 9 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 41819985.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 464622 + ... + 464711.

It is an arithmetic number, because the mean of its divisors is an integer number (6040671).

Almost surely, 2^41819985 is an apocalyptic number.

41819985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

41819985 is a deficient number, since it is larger than the sum of its proper divisors (30668067).

41819985 is a wasteful number, since it uses less digits than its factorization.

41819985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929344 (or 929341 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The square root of 41819985 is about 6466.8373259268. The cubic root of 41819985 is about 347.1053366667.

The spelling of 41819985 in words is "forty-one million, eight hundred nineteen thousand, nine hundred eighty-five".