40877712289 has 4 divisors (see below), whose sum is σ = 40878143680. Its totient is φ = 40877280900.

The previous prime is 40877712277. The next prime is 40877712299. The reversal of 40877712289 is 98221777804.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40877712289 - 2⁵ = 40877712257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40877712209) 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, 4869 + ... + 285970.

It is an arithmetic number, because the mean of its divisors is an integer number (10219535920).

Almost surely, 2^40877712289 is an apocalyptic number.

It is an amenable number.

40877712289 is a deficient number, since it is larger than the sum of its proper divisors (431391).

40877712289 is a wasteful number, since it uses less digits than its factorization.

40877712289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431390.

The product of its (nonzero) digits is 3161088, while the sum is 55.

The spelling of 40877712289 in words is "forty billion, eight hundred seventy-seven million, seven hundred twelve thousand, two hundred eighty-nine".