400463071 has 4 divisors (see below), whose sum is σ = 408019032. Its totient is φ = 392907112.

The previous prime is 400463069. The next prime is 400463153. The reversal of 400463071 is 170364004.

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 400463071 - 2¹ = 400463069 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 (400463471) 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, 3777901 + ... + 3778006.

It is an arithmetic number, because the mean of its divisors is an integer number (102004758).

Almost surely, 2^400463071 is an apocalyptic number.

400463071 is a deficient number, since it is larger than the sum of its proper divisors (7555961).

400463071 is an equidigital number, since it uses as much as digits as its factorization.

400463071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7555960.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 400463071 is about 20011.5734263950. The cubic root of 400463071 is about 737.0905181036.

The spelling of 400463071 in words is "four hundred million, four hundred sixty-three thousand, seventy-one".