1552504322140 has 24 divisors (see below), whose sum is σ = 3321773400960. Its totient is φ = 609284714688.

The previous prime is 1552504322129. The next prime is 1552504322141. The reversal of 1552504322140 is 412234052551.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1552504322096 and 1552504322105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552504322141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732312300 + ... + 732314419.

It is an arithmetic number, because the mean of its divisors is an integer number (138407225040).

Almost surely, 2^{1552504322140} is an apocalyptic number.

1552504322140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1552504322140 is an abundant number, since it is smaller than the sum of its proper divisors (1769269078820).

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

1552504322140 is a wasteful number, since it uses less digits than its factorization.

1552504322140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464626781 (or 1464626779 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 1552504322140 its reverse (412234052551), we get a palindrome (1964738374691).

The spelling of 1552504322140 in words is "one trillion, five hundred fifty-two billion, five hundred four million, three hundred twenty-two thousand, one hundred forty".