40881545005 has 48 divisors (see below), whose sum is σ = 61152719040. Its totient is φ = 26065955328.

The previous prime is 40881544961. The next prime is 40881545011. The reversal of 40881545005 is 50054518804.

It is a happy number.

It is not a de Polignac number, because 40881545005 - 2⁹ = 40881544493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 286566 + ... + 404824.

It is an arithmetic number, because the mean of its divisors is an integer number (1274014980).

Almost surely, 2^40881545005 is an apocalyptic number.

It is an amenable number.

40881545005 is a deficient number, since it is larger than the sum of its proper divisors (20271174035).

40881545005 is a wasteful number, since it uses less digits than its factorization.

40881545005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118378 (or 118371 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 40.

The spelling of 40881545005 in words is "forty billion, eight hundred eighty-one million, five hundred forty-five thousand, five".