30120190464 has 320 divisors, whose sum is σ = 99296144640. Its totient is φ = 7900692480.

The previous prime is 30120190433. The next prime is 30120190481. The reversal of 30120190464 is 46409102103.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32008234 + ... + 32009174.

It is an arithmetic number, because the mean of its divisors is an integer number (310300452).

Almost surely, 2^30120190464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30120190464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49648072320).

30120190464 is an abundant number, since it is smaller than the sum of its proper divisors (69175954176).

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

30120190464 is a wasteful number, since it uses less digits than its factorization.

30120190464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1195 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

Adding to 30120190464 its reverse (46409102103), we get a palindrome (76529292567).

The spelling of 30120190464 in words is "thirty billion, one hundred twenty million, one hundred ninety thousand, four hundred sixty-four".