1553200104400 has 120 divisors (see below), whose sum is σ = 4379904648320. Its totient is φ = 518133127680.

The previous prime is 1553200104359. The next prime is 1553200104479. The reversal of 1553200104400 is 44010023551.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7392540 + ... + 7599739.

Almost surely, 2^{1553200104400} is an apocalyptic number.

1553200104400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1553200104400 is an abundant number, since it is smaller than the sum of its proper divisors (2826704543920).

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

1553200104400 is a wasteful number, since it uses less digits than its factorization.

1553200104400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14992341 (or 14992330 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 1553200104400 its reverse (44010023551), we get a palindrome (1597210127951).

The spelling of 1553200104400 in words is "one trillion, five hundred fifty-three billion, two hundred million, one hundred four thousand, four hundred".