30520150400 has 48 divisors (see below), whose sum is σ = 75394316940. Its totient is φ = 12208058880.

The previous prime is 30520150321. The next prime is 30520150417. The reversal of 30520150400 is 405102503.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4765574 + ... + 4771973.

Almost surely, 2^30520150400 is an apocalyptic number.

It is an amenable number.

30520150400 is an abundant number, since it is smaller than the sum of its proper divisors (44874166540).

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

30520150400 is an equidigital number, since it uses as much as digits as its factorization.

30520150400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9537571 (or 9537554 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 30520150400 its reverse (405102503), we get a palindrome (30925252903).

The spelling of 30520150400 in words is "thirty billion, five hundred twenty million, one hundred fifty thousand, four hundred".