30161562305460 has 192 divisors, whose sum is σ = 89775840236544. Its totient is φ = 7539872972800.

The previous prime is 30161562305383. The next prime is 30161562305461. The reversal of 30161562305460 is 6450326516103.

It is a super-2 number, since 2×30161562305460² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30161562305461) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 728853970 + ... + 728895350.

It is an arithmetic number, because the mean of its divisors is an integer number (467582501232).

Almost surely, 2^{30161562305460} is an apocalyptic number.

30161562305460 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 30161562305460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44887920118272).

30161562305460 is an abundant number, since it is smaller than the sum of its proper divisors (59614277931084).

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

30161562305460 is a wasteful number, since it uses less digits than its factorization.

30161562305460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44234 (or 44232 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 30161562305460 in words is "thirty trillion, one hundred sixty-one billion, five hundred sixty-two million, three hundred five thousand, four hundred sixty".