30449307120 has 40 divisors (see below), whose sum is σ = 94392852816. Its totient is φ = 8119815168.

The previous prime is 30449307101. The next prime is 30449307127. The reversal of 30449307120 is 2170394403.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30449307127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63435817 + ... + 63436296.

Almost surely, 2^30449307120 is an apocalyptic number.

30449307120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30449307120 is an abundant number, since it is smaller than the sum of its proper divisors (63943545696).

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

30449307120 is a wasteful number, since it uses less digits than its factorization.

30449307120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126872129 (or 126872123 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The spelling of 30449307120 in words is "thirty billion, four hundred forty-nine million, three hundred seven thousand, one hundred twenty".