1553404200044 has 12 divisors (see below), whose sum is σ = 2726523991464. Its totient is φ = 774397345344.

The previous prime is 1553404199969. The next prime is 1553404200083. The reversal of 1553404200044 is 4400024043551.

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 3 ways as a sum of consecutive naturals, for example, 576187154 + ... + 576189849.

It is an arithmetic number, because the mean of its divisors is an integer number (227210332622).

Almost surely, 2^{1553404200044} is an apocalyptic number.

It is an amenable number.

1553404200044 is a deficient number, since it is larger than the sum of its proper divisors (1173119791420).

1553404200044 is a wasteful number, since it uses less digits than its factorization.

1553404200044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152377344 (or 1152377342 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 1553404200044 its reverse (4400024043551), we get a palindrome (5953428243595).

The spelling of 1553404200044 in words is "one trillion, five hundred fifty-three billion, four hundred four million, two hundred thousand, forty-four".