4140722881 has 4 divisors (see below), whose sum is σ = 4241716164. Its totient is φ = 4039729600.

The previous prime is 4140722849. The next prime is 4140722897. The reversal of 4140722881 is 1882270414.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 323460225 + 3817262656 = 17985^2 + 61784^2 .

It is a cyclic number.

It is not a de Polignac number, because 4140722881 - 2⁵ = 4140722849 is a prime.

It is a super-2 number, since 2×4140722881² = 34291171954473880322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4140722881.

It is not an unprimeable number, because it can be changed into a prime (4140722581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50496580 + ... + 50496661.

It is an arithmetic number, because the mean of its divisors is an integer number (1060429041).

Almost surely, 2^4140722881 is an apocalyptic number.

4140722881 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4140722881 is a deficient number, since it is larger than the sum of its proper divisors (100993283).

4140722881 is a wasteful number, since it uses less digits than its factorization.

4140722881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100993282.

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 4140722881 is about 64348.4489401260. The cubic root of 4140722881 is about 1605.8022252264.

The spelling of 4140722881 in words is "four billion, one hundred forty million, seven hundred twenty-two thousand, eight hundred eighty-one".