30234505541440 has 56 divisors (see below), whose sum is σ = 72294654746952. Its totient is φ = 12043620433920.

The previous prime is 30234505541431. The next prime is 30234505541453. The reversal of 30234505541440 is 4414550543203.

It can be written as a sum of positive squares in 4 ways, for example, as 2384652469824 + 27849853071616 = 1544232^2 + 5277296^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 30234505541393 and 30234505541402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195945349 + ... + 196099588.

Almost surely, 2^{30234505541440} is an apocalyptic number.

It is an amenable number.

30234505541440 is an abundant number, since it is smaller than the sum of its proper divisors (42060149205512).

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

30234505541440 is a wasteful number, since it uses less digits than its factorization.

30234505541440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392045195 (or 392045185 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

The spelling of 30234505541440 in words is "thirty trillion, two hundred thirty-four billion, five hundred five million, five hundred forty-one thousand, four hundred forty".