400084488884 has 6 divisors (see below), whose sum is σ = 700147855554. Its totient is φ = 200042244440.

The previous prime is 400084488751. The next prime is 400084488887. The reversal of 400084488884 is 488884480004.

It can be written as a sum of positive squares in only one way, i.e., 399714772900 + 369715984 = 632230^2 + 19228^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400084488887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010561107 + ... + 50010561114.

It is an arithmetic number, because the mean of its divisors is an integer number (116691309259).

Almost surely, 2^400084488884 is an apocalyptic number.

It is an amenable number.

400084488884 is a deficient number, since it is larger than the sum of its proper divisors (300063366670).

400084488884 is a wasteful number, since it uses less digits than its factorization.

400084488884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100021122225 (or 100021122223 counting only the distinct ones).

The product of its (nonzero) digits is 8388608, while the sum is 56.

The spelling of 400084488884 in words is "four hundred billion, eighty-four million, four hundred eighty-eight thousand, eight hundred eighty-four".