1554040265044 has 24 divisors (see below), whose sum is σ = 2721422460960. Its totient is φ = 776491139424.

The previous prime is 1554040265027. The next prime is 1554040265087. The reversal of 1554040265044 is 4405620404551.

It is a super-2 number, since 2×1554040265044² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1554040264988 and 1554040265006.

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 7 ways as a sum of consecutive naturals, for example, 54699747 + ... + 54728149.

It is an arithmetic number, because the mean of its divisors is an integer number (113392602540).

Almost surely, 2^{1554040265044} is an apocalyptic number.

It is an amenable number.

1554040265044 is a deficient number, since it is larger than the sum of its proper divisors (1167382195916).

1554040265044 is a wasteful number, since it uses less digits than its factorization.

1554040265044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37239 (or 37237 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 1554040265044 its reverse (4405620404551), we get a palindrome (5959660669595).

The spelling of 1554040265044 in words is "one trillion, five hundred fifty-four billion, forty million, two hundred sixty-five thousand, forty-four".