30543310120440 has 256 divisors, whose sum is σ = 104840043638400. Its totient is φ = 7062907428864.

The previous prime is 30543310120387. The next prime is 30543310120457. The reversal of 30543310120440 is 4402101334503.

It is a super-2 number, since 2×30543310120440² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 30543310120398 and 30543310120407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7449627 + ... + 10797386.

Almost surely, 2^{30543310120440} is an apocalyptic number.

30543310120440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30543310120440 is an abundant number, since it is smaller than the sum of its proper divisors (74296733517960).

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

30543310120440 is a wasteful number, since it uses less digits than its factorization.

30543310120440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18247106 (or 18247102 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 30543310120440 its reverse (4402101334503), we get a palindrome (34945411454943).

The spelling of 30543310120440 in words is "thirty trillion, five hundred forty-three billion, three hundred ten million, one hundred twenty thousand, four hundred forty".