40834560667 has 4 divisors (see below), whose sum is σ = 41351453920. Its totient is φ = 40317667416.

The previous prime is 40834560659. The next prime is 40834560691. The reversal of 40834560667 is 76606543804.

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 40834560667 - 2³ = 40834560659 is a prime.

It is a super-2 number, since 2×40834560667² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40834560667.

It is not an unprimeable number, because it can be changed into a prime (40834560967) 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, 258446508 + ... + 258446665.

It is an arithmetic number, because the mean of its divisors is an integer number (10337863480).

Almost surely, 2^40834560667 is an apocalyptic number.

40834560667 is a deficient number, since it is larger than the sum of its proper divisors (516893253).

40834560667 is an equidigital number, since it uses as much as digits as its factorization.

40834560667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516893252.

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 40834560667 in words is "forty billion, eight hundred thirty-four million, five hundred sixty thousand, six hundred sixty-seven".