30403112240 has 40 divisors (see below), whose sum is σ = 70701912288. Its totient is φ = 12158720000.

The previous prime is 30403112227. The next prime is 30403112251. The reversal of 30403112240 is 4221130403.

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

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375365 + ... + 449115.

Almost surely, 2^30403112240 is an apocalyptic number.

It is an amenable number.

30403112240 is an abundant number, since it is smaller than the sum of its proper divisors (40298800048).

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

30403112240 is a wasteful number, since it uses less digits than its factorization.

30403112240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78917 (or 78911 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30403112240 its reverse (4221130403), we get a palindrome (34624242643).

The spelling of 30403112240 in words is "thirty billion, four hundred three million, one hundred twelve thousand, two hundred forty".