40048177638667 has 4 divisors (see below), whose sum is σ = 43688921060376. Its totient is φ = 36407434216960.

The previous prime is 40048177638647. The next prime is 40048177638697. The reversal of 40048177638667 is 76683677184004.

40048177638667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40048177638667 - 2¹¹ = 40048177636619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40048177638617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1820371710838 + ... + 1820371710859.

It is an arithmetic number, because the mean of its divisors is an integer number (10922230265094).

Almost surely, 2^{40048177638667} is an apocalyptic number.

40048177638667 is a deficient number, since it is larger than the sum of its proper divisors (3640743421709).

40048177638667 is a wasteful number, since it uses less digits than its factorization.

40048177638667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640743421708.

The product of its (nonzero) digits is 227598336, while the sum is 67.

The spelling of 40048177638667 in words is "forty trillion, forty-eight billion, one hundred seventy-seven million, six hundred thirty-eight thousand, six hundred sixty-seven".