1552040163644 has 12 divisors (see below), whose sum is σ = 2716357251384. Its totient is φ = 775938091824.

The previous prime is 1552040163643. The next prime is 1552040163649. The reversal of 1552040163644 is 4463610402551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552040163643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20454899 + ... + 20530634.

It is an arithmetic number, because the mean of its divisors is an integer number (226363104282).

Almost surely, 2^{1552040163644} is an apocalyptic number.

It is an amenable number.

1552040163644 is a deficient number, since it is larger than the sum of its proper divisors (1164317087740).

1552040163644 is a wasteful number, since it uses less digits than its factorization.

1552040163644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40995004 (or 40995002 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 1552040163644 in words is "one trillion, five hundred fifty-two billion, forty million, one hundred sixty-three thousand, six hundred forty-four".