400085495 has 4 divisors (see below), whose sum is σ = 480102600. Its totient is φ = 320068392.

The previous prime is 400085471. The next prime is 400085533. The reversal of 400085495 is 594580004.

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 400085495 - 2⁸ = 400085239 is a prime.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 40008545 + ... + 40008554.

It is an arithmetic number, because the mean of its divisors is an integer number (120025650).

Almost surely, 2^400085495 is an apocalyptic number.

400085495 is a deficient number, since it is larger than the sum of its proper divisors (80017105).

400085495 is an equidigital number, since it uses as much as digits as its factorization.

400085495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80017104.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 400085495 is about 20002.1372608029. The cubic root of 400085495 is about 736.8587903673.

The spelling of 400085495 in words is "four hundred million, eighty-five thousand, four hundred ninety-five".