400064127 has 8 divisors (see below), whose sum is σ = 533529216. Its totient is φ = 266654232.

The previous prime is 400064123. The next prime is 400064129. The reversal of 400064127 is 721460004.

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

It is not a de Polignac number, because 400064127 - 2² = 400064123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400064097 and 400064106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400064123) 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, 8068 + ... + 29414.

It is an arithmetic number, because the mean of its divisors is an integer number (66691152).

Almost surely, 2^400064127 is an apocalyptic number.

400064127 is a deficient number, since it is larger than the sum of its proper divisors (133465089).

400064127 is a wasteful number, since it uses less digits than its factorization.

400064127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27597.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 400064127 is about 20001.6031107509. The cubic root of 400064127 is about 736.8456719388.

The spelling of 400064127 in words is "four hundred million, sixty-four thousand, one hundred twenty-seven".