30126557660 has 48 divisors (see below), whose sum is σ = 64800607872. Its totient is φ = 11758824000.

The previous prime is 30126557627. The next prime is 30126557689. The reversal of 30126557660 is 6675562103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 887195 + ... + 920525.

It is an arithmetic number, because the mean of its divisors is an integer number (1350012664).

Almost surely, 2^30126557660 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 30126557660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32400303936).

30126557660 is an abundant number, since it is smaller than the sum of its proper divisors (34674050212).

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

30126557660 is a wasteful number, since it uses less digits than its factorization.

30126557660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34434 (or 34432 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 30126557660 in words is "thirty billion, one hundred twenty-six million, five hundred fifty-seven thousand, six hundred sixty".