1240400441404 has 24 divisors (see below), whose sum is σ = 2183823915840. Its totient is φ = 616452642624.

The previous prime is 1240400441359. The next prime is 1240400441461. The reversal of 1240400441404 is 4041440040421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2411082 + ... + 2879950.

It is an arithmetic number, because the mean of its divisors is an integer number (90992663160).

Almost surely, 2^{1240400441404} is an apocalyptic number.

It is an amenable number.

1240400441404 is a deficient number, since it is larger than the sum of its proper divisors (943423474436).

1240400441404 is a wasteful number, since it uses less digits than its factorization.

1240400441404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472869 (or 472867 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 1240400441404 its reverse (4041440040421), we get a palindrome (5281840481825).

The spelling of 1240400441404 in words is "one trillion, two hundred forty billion, four hundred million, four hundred forty-one thousand, four hundred four".