30665601480 has 256 divisors, whose sum is σ = 96979161600. Its totient is φ = 7749181440.

The previous prime is 30665601479. The next prime is 30665601503. The reversal of 30665601480 is 8410656603.

It is a super-2 number, since 2×30665601480² (a number of 22 digits) contains 22 as substring.

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, 28055814 + ... + 28056906.

It is an arithmetic number, because the mean of its divisors is an integer number (378824850).

Almost surely, 2^30665601480 is an apocalyptic number.

30665601480 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 30665601480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48489580800).

30665601480 is an abundant number, since it is smaller than the sum of its proper divisors (66313560120).

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

30665601480 is a wasteful number, since it uses less digits than its factorization.

30665601480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 30665601480 in words is "thirty billion, six hundred sixty-five million, six hundred one thousand, four hundred eighty".