4000867590427 has 4 divisors (see below), whose sum is σ = 4000919564160. Its totient is φ = 4000815616696.

The previous prime is 4000867590413. The next prime is 4000867590479. The reversal of 4000867590427 is 7240957680004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4000867590427 is a prime.

It is a super-2 number, since 2×4000867590427² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4000867590127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25871227 + ... + 26025412.

It is an arithmetic number, because the mean of its divisors is an integer number (1000229891040).

Almost surely, 2^{4000867590427} is an apocalyptic number.

4000867590427 is a deficient number, since it is larger than the sum of its proper divisors (51973733).

4000867590427 is an equidigital number, since it uses as much as digits as its factorization.

4000867590427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51973732.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 4000867590427 in words is "four trillion, eight hundred sixty-seven million, five hundred ninety thousand, four hundred twenty-seven".