401671736127 has 6 divisors (see below), whose sum is σ = 580192507752. Its totient is φ = 267781157412.

The previous prime is 401671735999. The next prime is 401671736143. The reversal of 401671736127 is 721637176104.

401671736127 is a `hidden beast` number, since 4 + 0 + 16 + 7 + 17 + 3 + 612 + 7 = 666.

It is not a de Polignac number, because 401671736127 - 2⁷ = 401671735999 is a prime.

It is a super-2 number, since 2×401671736127² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401671736197) 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 5 ways as a sum of consecutive naturals, for example, 22315096443 + ... + 22315096460.

It is an arithmetic number, because the mean of its divisors is an integer number (96698751292).

Almost surely, 2^401671736127 is an apocalyptic number.

401671736127 is a deficient number, since it is larger than the sum of its proper divisors (178520771625).

401671736127 is a wasteful number, since it uses less digits than its factorization.

401671736127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44630192909 (or 44630192906 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The spelling of 401671736127 in words is "four hundred one billion, six hundred seventy-one million, seven hundred thirty-six thousand, one hundred twenty-seven".