41008991555 has 24 divisors (see below), whose sum is σ = 57394801152. Its totient is φ = 28046965632.

The previous prime is 41008991549. The next prime is 41008991581. The reversal of 41008991555 is 55519980014.

It is a happy number.

It is not a de Polignac number, because 41008991555 - 2²⁶ = 40941882691 is a prime.

It is a super-2 number, since 2×41008991555² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124682 + ... + 312351.

It is an arithmetic number, because the mean of its divisors is an integer number (2391450048).

Almost surely, 2^41008991555 is an apocalyptic number.

41008991555 is a deficient number, since it is larger than the sum of its proper divisors (16385809597).

41008991555 is a wasteful number, since it uses less digits than its factorization.

41008991555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437435 (or 437428 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 47.

The spelling of 41008991555 in words is "forty-one billion, eight million, nine hundred ninety-one thousand, five hundred fifty-five".