41439999 has 12 divisors (see below), whose sum is σ = 58695944. Its totient is φ = 26001024.

The previous prime is 41439989. The next prime is 41440013. The reversal of 41439999 is 99993414.

It is not a de Polignac number, because 41439999 - 2¹⁵ = 41407231 is a prime.

It is a Duffinian number.

41439999 is a modest number, since divided by 9999 gives 4143 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41439919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23032 + ... + 24765.

Almost surely, 2^41439999 is an apocalyptic number.

41439999 is a deficient number, since it is larger than the sum of its proper divisors (17255945).

41439999 is a wasteful number, since it uses less digits than its factorization.

41439999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47834 (or 47817 counting only the distinct ones).

The product of its digits is 314928, while the sum is 48.

The square root of 41439999 is about 6437.3906981012. The cubic root of 41439999 is about 346.0508434311.

The spelling of 41439999 in words is "forty-one million, four hundred thirty-nine thousand, nine hundred ninety-nine".