553841018640 has 1600 divisors, whose sum is σ = 2477316441600. Its totient is φ = 111532474368.

The previous prime is 553841018639. The next prime is 553841018723. The reversal of 553841018640 is 46810148355.

553841018640 is a `hidden beast` number, since 5 + 53 + 8 + 410 + 186 + 4 + 0 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 2376999964 + ... + 2377000196.

It is an arithmetic number, because the mean of its divisors is an integer number (1548322776).

Almost surely, 2^553841018640 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 553841018640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1238658220800).

553841018640 is an abundant number, since it is smaller than the sum of its proper divisors (1923475422960).

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

553841018640 is a wasteful number, since it uses less digits than its factorization.

553841018640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 553841018640 in words is "five hundred fifty-three billion, eight hundred forty-one million, eighteen thousand, six hundred forty".