40221561115 has 8 divisors (see below), whose sum is σ = 48876834240. Its totient is φ = 31769941632.

The previous prime is 40221561067. The next prime is 40221561119. The reversal of 40221561115 is 51116512204.

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 40221561115 - 2¹⁷ = 40221430043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40221561119) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 50912974 + ... + 50913763.

It is an arithmetic number, because the mean of its divisors is an integer number (6109604280).

Almost surely, 2^40221561115 is an apocalyptic number.

40221561115 is a deficient number, since it is larger than the sum of its proper divisors (8655273125).

40221561115 is a wasteful number, since it uses less digits than its factorization.

40221561115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101826821.

The product of its (nonzero) digits is 2400, while the sum is 28.

The spelling of 40221561115 in words is "forty billion, two hundred twenty-one million, five hundred sixty-one thousand, one hundred fifteen".