40881257567 has 8 divisors (see below), whose sum is σ = 41424536640. Its totient is φ = 40338623520.

The previous prime is 40881257513. The next prime is 40881257591. The reversal of 40881257567 is 76575218804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40881257567 - 2⁶ = 40881257503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40881257867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32984 + ... + 287837.

It is an arithmetic number, because the mean of its divisors is an integer number (5178067080).

Almost surely, 2^40881257567 is an apocalyptic number.

40881257567 is a deficient number, since it is larger than the sum of its proper divisors (543279073).

40881257567 is a wasteful number, since it uses less digits than its factorization.

40881257567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322513.

The product of its (nonzero) digits is 3763200, while the sum is 53.

The spelling of 40881257567 in words is "forty billion, eight hundred eighty-one million, two hundred fifty-seven thousand, five hundred sixty-seven".