552750639840 has 768 divisors, whose sum is σ = 2348065843200. Its totient is φ = 118555508736.

The previous prime is 552750639827. The next prime is 552750639851. The reversal of 552750639840 is 48936057255.

552750639840 is a `hidden beast` number, since 5 + 5 + 2 + 7 + 506 + 3 + 98 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 194834902 + ... + 194837738.

It is an arithmetic number, because the mean of its divisors is an integer number (3057377400).

Almost surely, 2^552750639840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552750639840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1174032921600).

552750639840 is an abundant number, since it is smaller than the sum of its proper divisors (1795315203360).

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

552750639840 is a wasteful number, since it uses less digits than its factorization.

552750639840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264 (or 3250 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

The spelling of 552750639840 in words is "five hundred fifty-two billion, seven hundred fifty million, six hundred thirty-nine thousand, eight hundred forty".