40121232577 has 8 divisors (see below), whose sum is σ = 40392044672. Its totient is φ = 39850488000.

The previous prime is 40121232521. The next prime is 40121232587. The reversal of 40121232577 is 77523212104.

40121232577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40121232577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40121232587) 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, 1910428 + ... + 1931314.

It is an arithmetic number, because the mean of its divisors is an integer number (5049005584).

Almost surely, 2^40121232577 is an apocalyptic number.

It is an amenable number.

40121232577 is a deficient number, since it is larger than the sum of its proper divisors (270812095).

40121232577 is a wasteful number, since it uses less digits than its factorization.

40121232577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33759.

The product of its (nonzero) digits is 23520, while the sum is 34.

The spelling of 40121232577 in words is "forty billion, one hundred twenty-one million, two hundred thirty-two thousand, five hundred seventy-seven".