30003203040 has 192 divisors, whose sum is σ = 97006678272. Its totient is φ = 7790284800.

The previous prime is 30003203033. The next prime is 30003203053. The reversal of 30003203040 is 4030230003.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12653055 + ... + 12655425.

It is an arithmetic number, because the mean of its divisors is an integer number (505243116).

Almost surely, 2^30003203040 is an apocalyptic number.

30003203040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30003203040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48503339136).

30003203040 is an abundant number, since it is smaller than the sum of its proper divisors (67003475232).

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

30003203040 is a wasteful number, since it uses less digits than its factorization.

30003203040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3073 (or 3065 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 30003203040 its reverse (4030230003), we get a palindrome (34033433043).

The spelling of 30003203040 in words is "thirty billion, three million, two hundred three thousand, forty".