2240400404 has 24 divisors (see below), whose sum is σ = 4340971488. Its totient is φ = 1003163040.

The previous prime is 2240400401. The next prime is 2240400413. The reversal of 2240400404 is 4040040422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240400401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377039 + ... + 382934.

It is an arithmetic number, because the mean of its divisors is an integer number (180873812).

Almost surely, 2^2240400404 is an apocalyptic number.

It is an amenable number.

2240400404 is a deficient number, since it is larger than the sum of its proper divisors (2100571084).

2240400404 is a wasteful number, since it uses less digits than its factorization.

2240400404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760055 (or 760053 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2240400404 is about 47332.8681150847. The cubic root of 2240400404 is about 1308.5044806232.

Adding to 2240400404 its reverse (4040040422), we get a palindrome (6280440826).

It can be divided in two parts, 22 and 40400404, that multiplied together give a palindrome (888808888).

The spelling of 2240400404 in words is "two billion, two hundred forty million, four hundred thousand, four hundred four".