30244138456 has 64 divisors (see below), whose sum is σ = 68647150080. Its totient is φ = 12194695680.

The previous prime is 30244138453. The next prime is 30244138471. The reversal of 30244138456 is 65483144203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30244138453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3719211 + ... + 3727333.

It is an arithmetic number, because the mean of its divisors is an integer number (1072611720).

Almost surely, 2^30244138456 is an apocalyptic number.

It is an amenable number.

30244138456 is an abundant number, since it is smaller than the sum of its proper divisors (38403011624).

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

30244138456 is a wasteful number, since it uses less digits than its factorization.

30244138456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12064 (or 12060 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 30244138456 in words is "thirty billion, two hundred forty-four million, one hundred thirty-eight thousand, four hundred fifty-six".