30355355040 has 192 divisors, whose sum is σ = 101833998336. Its totient is φ = 7574208512.

The previous prime is 30355355039. The next prime is 30355355047. The reversal of 30355355040 is 4055355303.

It is a junction number, because it is equal to n+sod(n) for n = 30355354992 and 30355355010.

It is not an unprimeable number, because it can be changed into a prime (30355355047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1400929 + ... + 1422431.

It is an arithmetic number, because the mean of its divisors is an integer number (530385408).

Almost surely, 2^30355355040 is an apocalyptic number.

30355355040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30355355040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50916999168).

30355355040 is an abundant number, since it is smaller than the sum of its proper divisors (71478643296).

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

30355355040 is a wasteful number, since it uses less digits than its factorization.

30355355040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21711 (or 21703 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 33.

The spelling of 30355355040 in words is "thirty billion, three hundred fifty-five million, three hundred fifty-five thousand, forty".