30451654660 has 144 divisors (see below), whose sum is σ = 75957981120. Its totient is φ = 10221845760.

The previous prime is 30451654643. The next prime is 30451654661. The reversal of 30451654660 is 6645615403.

It is not an unprimeable number, because it can be changed into a prime (30451654661) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16362130 + ... + 16363990.

It is an arithmetic number, because the mean of its divisors is an integer number (527485980).

Almost surely, 2^30451654660 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 30451654660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37978990560).

30451654660 is an abundant number, since it is smaller than the sum of its proper divisors (45506326460).

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

30451654660 is a wasteful number, since it uses less digits than its factorization.

30451654660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226 (or 2217 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 30451654660 in words is "thirty billion, four hundred fifty-one million, six hundred fifty-four thousand, six hundred sixty".