30052252640 has 96 divisors (see below), whose sum is σ = 74918571840. Its totient is φ = 11368935424.

The previous prime is 30052252613. The next prime is 30052252651. The reversal of 30052252640 is 4625225003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281642 + ... + 373398.

It is an arithmetic number, because the mean of its divisors is an integer number (780401790).

Almost surely, 2^30052252640 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 30052252640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37459285920).

30052252640 is an abundant number, since it is smaller than the sum of its proper divisors (44866319200).

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

30052252640 is a wasteful number, since it uses less digits than its factorization.

30052252640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91884 (or 91876 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 30052252640 its reverse (4625225003), we get a palindrome (34677477643).

The spelling of 30052252640 in words is "thirty billion, fifty-two million, two hundred fifty-two thousand, six hundred forty".