40036400647277 has 4 divisors (see below), whose sum is σ = 40036503269856. Its totient is φ = 40036298024700.

The previous prime is 40036400647261. The next prime is 40036400647381. The reversal of 40036400647277 is 77274600463004.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 40036400647277 - 2⁴ = 40036400647261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40036400647207) 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, 50723849 + ... + 51507102.

It is an arithmetic number, because the mean of its divisors is an integer number (10009125817464).

Almost surely, 2^{40036400647277} is an apocalyptic number.

It is an amenable number.

40036400647277 is a deficient number, since it is larger than the sum of its proper divisors (102622579).

40036400647277 is a wasteful number, since it uses less digits than its factorization.

40036400647277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102622578.

The product of its (nonzero) digits is 4741632, while the sum is 50.

The spelling of 40036400647277 in words is "forty trillion, thirty-six billion, four hundred million, six hundred forty-seven thousand, two hundred seventy-seven".