30421415500 has 48 divisors (see below), whose sum is σ = 75931861824. Its totient is φ = 10430198400.

The previous prime is 30421415491. The next prime is 30421415509. The reversal of 30421415500 is 551412403.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30421415491) and next prime (30421415509).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (30421415509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4342417 + ... + 4349416.

It is an arithmetic number, because the mean of its divisors is an integer number (1581913788).

Almost surely, 2^30421415500 is an apocalyptic number.

It is an amenable number.

30421415500 is an abundant number, since it is smaller than the sum of its proper divisors (45510446324).

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

30421415500 is a wasteful number, since it uses less digits than its factorization.

30421415500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8691859 (or 8691847 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 30421415500 its reverse (551412403), we get a palindrome (30972827903).

The spelling of 30421415500 in words is "thirty billion, four hundred twenty-one million, four hundred fifteen thousand, five hundred".