400048844884 has 24 divisors (see below), whose sum is σ = 755092847880. Its totient is φ = 184355159424.

The previous prime is 400048844843. The next prime is 400048844903. The reversal of 400048844884 is 488448840004.

It can be written as a sum of positive squares in 4 ways, for example, as 2014034884 + 398034810000 = 44878^2 + 630900^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5856739 + ... + 5924650.

It is an arithmetic number, because the mean of its divisors is an integer number (31462201995).

Almost surely, 2^400048844884 is an apocalyptic number.

It is an amenable number.

400048844884 is a deficient number, since it is larger than the sum of its proper divisors (355044002996).

400048844884 is a wasteful number, since it uses less digits than its factorization.

400048844884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11782059 (or 11782057 counting only the distinct ones).

The product of its (nonzero) digits is 4194304, while the sum is 52.

It can be divided in two parts, 40004 and 8844884, that added together give a palindrome (8884888).

The spelling of 400048844884 in words is "four hundred billion, forty-eight million, eight hundred forty-four thousand, eight hundred eighty-four".