400027895 has 4 divisors (see below), whose sum is σ = 480033480. Its totient is φ = 320022312.

The previous prime is 400027883. The next prime is 400027897. The reversal of 400027895 is 598720004.

It is a happy number.

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 400027895 - 2¹⁰ = 400026871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400027897) 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, 40002785 + ... + 40002794.

It is an arithmetic number, because the mean of its divisors is an integer number (120008370).

Almost surely, 2^400027895 is an apocalyptic number.

400027895 is a deficient number, since it is larger than the sum of its proper divisors (80005585).

400027895 is an equidigital number, since it uses as much as digits as its factorization.

400027895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80005584.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 400027895 is about 20000.6973628421. The cubic root of 400027895 is about 736.8234270064.

Adding to 400027895 its reverse (598720004), we get a palindrome (998747899).

The spelling of 400027895 in words is "four hundred million, twenty-seven thousand, eight hundred ninety-five".