40121232576 has 28 divisors (see below), whose sum is σ = 106154095032. Its totient is φ = 13373744128.

The previous prime is 40121232521. The next prime is 40121232587. The reversal of 40121232576 is 67523212104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104482185 + ... + 104482568.

Almost surely, 2^40121232576 is an apocalyptic number.

It is an amenable number.

40121232576 is an abundant number, since it is smaller than the sum of its proper divisors (66032862456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40121232576 is a wasteful number, since it uses less digits than its factorization.

40121232576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208964768 (or 208964758 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 40121232576 in words is "forty billion, one hundred twenty-one million, two hundred thirty-two thousand, five hundred seventy-six".