30555563440140 has 48 divisors (see below), whose sum is σ = 95061752926560. Its totient is φ = 8148150250560.

The previous prime is 30555563440133. The next prime is 30555563440153. The reversal of 30555563440140 is 4104436555503.

It is a happy number.

30555563440140 is a `hidden beast` number, since 3 + 0 + 5 + 5 + 5 + 5 + 63 + 440 + 140 = 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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28292187831 + ... + 28292188910.

It is an arithmetic number, because the mean of its divisors is an integer number (1980453185970).

Almost surely, 2^{30555563440140} is an apocalyptic number.

30555563440140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30555563440140 is an abundant number, since it is smaller than the sum of its proper divisors (64506189486420).

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

30555563440140 is a wasteful number, since it uses less digits than its factorization.

30555563440140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56584376759 (or 56584376751 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 45.

Adding to 30555563440140 its reverse (4104436555503), we get a palindrome (34659999995643).

The spelling of 30555563440140 in words is "thirty trillion, five hundred fifty-five billion, five hundred sixty-three million, four hundred forty thousand, one hundred forty".