40512666252667 has 8 divisors (see below), whose sum is σ = 46300243354112. Its totient is φ = 34725102489000.

The previous prime is 40512666252647. The next prime is 40512666252677. The reversal of 40512666252667 is 76625266621504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-40512666252667 is a prime.

It is a super-2 number, since 2×40512666252667² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40512666252647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4357192 + ... + 10000522.

It is an arithmetic number, because the mean of its divisors is an integer number (5787530419264).

Almost surely, 2^{40512666252667} is an apocalyptic number.

40512666252667 is a deficient number, since it is larger than the sum of its proper divisors (5787577101445).

40512666252667 is a wasteful number, since it uses less digits than its factorization.

40512666252667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6668889.

The product of its (nonzero) digits is 43545600, while the sum is 58.

The spelling of 40512666252667 in words is "forty trillion, five hundred twelve billion, six hundred sixty-six million, two hundred fifty-two thousand, six hundred sixty-seven".