30040211652 has 72 divisors (see below), whose sum is σ = 77911293600. Its totient is φ = 9000773760.

The previous prime is 30040211603. The next prime is 30040211671. The reversal of 30040211652 is 25611204003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12999 + ... + 245457.

It is an arithmetic number, because the mean of its divisors is an integer number (1082101300).

Almost surely, 2^30040211652 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 30040211652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38955646800).

30040211652 is an abundant number, since it is smaller than the sum of its proper divisors (47871081948).

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

30040211652 is a wasteful number, since it uses less digits than its factorization.

30040211652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232577 (or 232564 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 30040211652 its reverse (25611204003), we get a palindrome (55651415655).

The spelling of 30040211652 in words is "thirty billion, forty million, two hundred eleven thousand, six hundred fifty-two".