40282987977 has 6 divisors (see below), whose sum is σ = 58186538202. Its totient is φ = 26855325312.

The previous prime is 40282987963. The next prime is 40282988021. The reversal of 40282987977 is 77978928204.

40282987977 is a `hidden beast` number, since 402 + 8 + 2 + 98 + 79 + 77 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38245278096 + 2037709881 = 195564^2 + 45141^2 .

It is not a de Polignac number, because 40282987977 - 2²³ = 40274599369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40282987907) 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 5 ways as a sum of consecutive naturals, for example, 2237943768 + ... + 2237943785.

It is an arithmetic number, because the mean of its divisors is an integer number (9697756367).

Almost surely, 2^40282987977 is an apocalyptic number.

It is an amenable number.

40282987977 is a deficient number, since it is larger than the sum of its proper divisors (17903550225).

40282987977 is a wasteful number, since it uses less digits than its factorization.

40282987977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4475887559 (or 4475887556 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 63.

The spelling of 40282987977 in words is "forty billion, two hundred eighty-two million, nine hundred eighty-seven thousand, nine hundred seventy-seven".