30203440000 has 80 divisors (see below), whose sum is σ = 75189775320. Its totient is φ = 12081344000.

The previous prime is 30203439971. The next prime is 30203440013. The reversal of 30203440000 is 4430203.

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

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 108772 + ... + 268771.

Almost surely, 2^30203440000 is an apocalyptic number.

It is an amenable number.

30203440000 is an abundant number, since it is smaller than the sum of its proper divisors (44986335320).

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

30203440000 is an frugal number, since it uses more digits than its factorization.

30203440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377577 (or 377550 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 30203440000 its reverse (4430203), we get a palindrome (30207870203).

The spelling of 30203440000 in words is "thirty billion, two hundred three million, four hundred forty thousand".