40001667471361 has 8 divisors (see below), whose sum is σ = 40018716561824. Its totient is φ = 39984621922080.

The previous prime is 40001667471341. The next prime is 40001667471377. The reversal of 40001667471361 is 16317476610004.

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 40001667471361 - 2²³ = 40001659082753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40001667471341) 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 7 ways as a sum of consecutive naturals, for example, 21835846 + ... + 23596768.

It is an arithmetic number, because the mean of its divisors is an integer number (5002339570228).

Almost surely, 2^{40001667471361} is an apocalyptic number.

It is an amenable number.

40001667471361 is a deficient number, since it is larger than the sum of its proper divisors (17049090463).

40001667471361 is a wasteful number, since it uses less digits than its factorization.

40001667471361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770591.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 40001667471361 in words is "forty trillion, one billion, six hundred sixty-seven million, four hundred seventy-one thousand, three hundred sixty-one".