41440445409 has 16 divisors (see below), whose sum is σ = 60420890880. Its totient is φ = 25055471760.

The previous prime is 41440445399. The next prime is 41440445413. The reversal of 41440445409 is 90454404414.

It is a happy number.

It is not a de Polignac number, because 41440445409 - 2¹² = 41440441313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41440445009) 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, 1484707 + ... + 1512360.

It is an arithmetic number, because the mean of its divisors is an integer number (3776305680).

Almost surely, 2^41440445409 is an apocalyptic number.

It is an amenable number.

41440445409 is a deficient number, since it is larger than the sum of its proper divisors (18980445471).

41440445409 is a wasteful number, since it uses less digits than its factorization.

41440445409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997500.

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 41440445409 in words is "forty-one billion, four hundred forty million, four hundred forty-five thousand, four hundred nine".