553327800840 has 48 divisors (see below), whose sum is σ = 1798315353900. Its totient is φ = 147554080128.

The previous prime is 553327800821. The next prime is 553327800841. The reversal of 553327800840 is 48008723355.

553327800840 is a `hidden beast` number, since 5 + 533 + 2 + 78 + 0 + 0 + 8 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 534182650884 + 19145149956 = 730878^2 + 138366^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (553327800841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 768510475 + ... + 768511194.

Almost surely, 2^553327800840 is an apocalyptic number.

It is an amenable number.

553327800840 is an abundant number, since it is smaller than the sum of its proper divisors (1244987553060).

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

553327800840 is a wasteful number, since it uses less digits than its factorization.

553327800840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537021686 (or 1537021679 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 553327800840 in words is "five hundred fifty-three billion, three hundred twenty-seven million, eight hundred thousand, eight hundred forty".