30193914450 has 96 divisors (see below), whose sum is σ = 85743369216. Its totient is φ = 6888144960.

The previous prime is 30193914437. The next prime is 30193914469. The reversal of 30193914450 is 5441939103.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30193914399 and 30193914408.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 521659 + ... + 576641.

It is an arithmetic number, because the mean of its divisors is an integer number (893160096).

Almost surely, 2^30193914450 is an apocalyptic number.

30193914450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30193914450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42871684608).

30193914450 is an abundant number, since it is smaller than the sum of its proper divisors (55549454766).

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

30193914450 is a wasteful number, since it uses less digits than its factorization.

30193914450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55528 (or 55523 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The spelling of 30193914450 in words is "thirty billion, one hundred ninety-three million, nine hundred fourteen thousand, four hundred fifty".