553305345312240 has 120 divisors (see below), whose sum is σ = 1927005406395888. Its totient is φ = 147548092078080.

The previous prime is 553305345312229. The next prime is 553305345312241. The reversal of 553305345312240 is 42213543503355.

553305345312240 is a `hidden beast` number, since 5 + 5 + 3 + 3 + 0 + 53 + 4 + 531 + 22 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×553305345312240² (a number of 30 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553305345312241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14231085121 + ... + 14231124000.

Almost surely, 2^{553305345312240} is an apocalyptic number.

It is an amenable number.

553305345312240 is an abundant number, since it is smaller than the sum of its proper divisors (1373700061083648).

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

553305345312240 is a wasteful number, since it uses less digits than its factorization.

553305345312240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28462209149 (or 28462209131 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 45.

Adding to 553305345312240 its reverse (42213543503355), we get a palindrome (595518888815595).

The spelling of 553305345312240 in words is "five hundred fifty-three trillion, three hundred five billion, three hundred forty-five million, three hundred twelve thousand, two hundred forty".