30030720450 has 48 divisors (see below), whose sum is σ = 74787891840. Its totient is φ = 7974675520.

The previous prime is 30030720449. The next prime is 30030720463. The reversal of 30030720450 is 5402703003.

It is a self number, because there is not a number n which added to its sum of digits gives 30030720450.

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, 382989 + ... + 454688.

It is an arithmetic number, because the mean of its divisors is an integer number (1558081080).

Almost surely, 2^30030720450 is an apocalyptic number.

30030720450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30030720450 is an abundant number, since it is smaller than the sum of its proper divisors (44757171390).

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

30030720450 is a wasteful number, since it uses less digits than its factorization.

30030720450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837931 (or 837926 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The spelling of 30030720450 in words is "thirty billion, thirty million, seven hundred twenty thousand, four hundred fifty".