552432121440 has 48 divisors (see below), whose sum is σ = 1740161184048. Its totient is φ = 147315232256.

The previous prime is 552432121433. The next prime is 552432121459. The reversal of 552432121440 is 44121234255.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575449647 + ... + 575450606.

It is an arithmetic number, because the mean of its divisors is an integer number (36253358001).

Almost surely, 2^552432121440 is an apocalyptic number.

It is an amenable number.

552432121440 is an abundant number, since it is smaller than the sum of its proper divisors (1187729062608).

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

552432121440 is a wasteful number, since it uses less digits than its factorization.

552432121440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150900271 (or 1150900263 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 552432121440 its reverse (44121234255), we get a palindrome (596553355695).

The spelling of 552432121440 in words is "five hundred fifty-two billion, four hundred thirty-two million, one hundred twenty-one thousand, four hundred forty".