30030121043440 has 80 divisors (see below), whose sum is σ = 79796316012480. Its totient is φ = 10295784161280.

The previous prime is 30030121043431. The next prime is 30030121043459. The reversal of 30030121043440 is 4434012103003.

It is a tau number, because it is divible by the number of its divisors (80).

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, 22467846 + ... + 23766874.

It is an arithmetic number, because the mean of its divisors is an integer number (997453950156).

Almost surely, 2^{30030121043440} is an apocalyptic number.

It is an amenable number.

30030121043440 is an abundant number, since it is smaller than the sum of its proper divisors (49766194969040).

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

30030121043440 is a wasteful number, since it uses less digits than its factorization.

30030121043440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340330 (or 1340324 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 30030121043440 its reverse (4434012103003), we get a palindrome (34464133146443).

The spelling of 30030121043440 in words is "thirty trillion, thirty billion, one hundred twenty-one million, forty-three thousand, four hundred forty".