1240400110400 has 168 divisors, whose sum is σ = 3444444764640. Its totient is φ = 435500800000.

The previous prime is 1240400110393. The next prime is 1240400110451. The reversal of 1240400110400 is 40110040421.

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 23 ways as a sum of consecutive naturals, for example, 704726 + ... + 1725525.

Almost surely, 2^{1240400110400} is an apocalyptic number.

1240400110400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1240400110400 is an abundant number, since it is smaller than the sum of its proper divisors (2204044654240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1240400110400 is a wasteful number, since it uses less digits than its factorization.

1240400110400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430313 (or 2430298 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1240400110400 its reverse (40110040421), we get a palindrome (1280510150821).

The spelling of 1240400110400 in words is "one trillion, two hundred forty billion, four hundred million, one hundred ten thousand, four hundred".