40282987979 has 8 divisors (see below), whose sum is σ = 44877599760. Its totient is φ = 35902079136.

The previous prime is 40282987963. The next prime is 40282988021. The reversal of 40282987979 is 97978928204.

40282987979 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 not a de Polignac number, because 40282987979 - 2⁴ = 40282987963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40282987909) 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, 53425337 + ... + 53426090.

It is an arithmetic number, because the mean of its divisors is an integer number (5609699970).

Almost surely, 2^40282987979 is an apocalyptic number.

40282987979 is a deficient number, since it is larger than the sum of its proper divisors (4594611781).

40282987979 is a wasteful number, since it uses less digits than its factorization.

40282987979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106851469.

The product of its (nonzero) digits is 36578304, while the sum is 65.

The spelling of 40282987979 in words is "forty billion, two hundred eighty-two million, nine hundred eighty-seven thousand, nine hundred seventy-nine".