400205877088 has 24 divisors (see below), whose sum is σ = 787920922152. Its totient is φ = 200098976256.

The previous prime is 400205877083. The next prime is 400205877101. The reversal of 400205877088 is 880778502004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400205877083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2172856 + ... + 2349832.

It is an arithmetic number, because the mean of its divisors is an integer number (32830038423).

Almost surely, 2^400205877088 is an apocalyptic number.

It is an amenable number.

400205877088 is a deficient number, since it is larger than the sum of its proper divisors (387715045064).

400205877088 is a wasteful number, since it uses less digits than its factorization.

400205877088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247654 (or 247646 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 49.

The spelling of 400205877088 in words is "four hundred billion, two hundred five million, eight hundred seventy-seven thousand, eighty-eight".