400465073 has 4 divisors (see below), whose sum is σ = 424021860. Its totient is φ = 376908288.

The previous prime is 400465069. The next prime is 400465127. The reversal of 400465073 is 370564004.

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

It can be written as a sum of positive squares in 2 ways, for example, as 111872929 + 288592144 = 10577^2 + 16988^2 .

It is a cyclic number.

It is not a de Polignac number, because 400465073 - 2² = 400465069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400465003) 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, 11778368 + ... + 11778401.

It is an arithmetic number, because the mean of its divisors is an integer number (106005465).

Almost surely, 2^400465073 is an apocalyptic number.

It is an amenable number.

400465073 is a deficient number, since it is larger than the sum of its proper divisors (23556787).

400465073 is a wasteful number, since it uses less digits than its factorization.

400465073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23556786.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 400465073 is about 20011.6234473868. The cubic root of 400465073 is about 737.0917463922.

The spelling of 400465073 in words is "four hundred million, four hundred sixty-five thousand, seventy-three".