552132121440 has 96 divisors (see below), whose sum is σ = 1743367691520. Its totient is φ = 146883782144.

The previous prime is 552132121423. The next prime is 552132121451. The reversal of 552132121440 is 44121231255.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 552132121398 and 552132121407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1171524 + ... + 1573763.

It is an arithmetic number, because the mean of its divisors is an integer number (18160080120).

Almost surely, 2^552132121440 is an apocalyptic number.

It is an amenable number.

552132121440 is an abundant number, since it is smaller than the sum of its proper divisors (1191235570080).

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

552132121440 is a wasteful number, since it uses less digits than its factorization.

552132121440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745724 (or 2745716 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 552132121440 its reverse (44121231255), we get a palindrome (596253352695).

The spelling of 552132121440 in words is "five hundred fifty-two billion, one hundred thirty-two million, one hundred twenty-one thousand, four hundred forty".