400467321127 has 4 divisors (see below), whose sum is σ = 401178631320. Its totient is φ = 399756010936.

The previous prime is 400467321071. The next prime is 400467321139. The reversal of 400467321127 is 721123764004.

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 400467321127 - 2²⁷ = 400333103399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400467328127) 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, 355654252 + ... + 355655377.

It is an arithmetic number, because the mean of its divisors is an integer number (100294657830).

Almost surely, 2^400467321127 is an apocalyptic number.

400467321127 is a deficient number, since it is larger than the sum of its proper divisors (711310193).

400467321127 is an equidigital number, since it uses as much as digits as its factorization.

400467321127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711310192.

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 400467321127 in words is "four hundred billion, four hundred sixty-seven million, three hundred twenty-one thousand, one hundred twenty-seven".