30243112400 has 60 divisors (see below), whose sum is σ = 72701153004. Its totient is φ = 12090240000.

The previous prime is 30243112399. The next prime is 30243112451. The reversal of 30243112400 is 421134203.

It can be written as a sum of positive squares in 6 ways, for example, as 11675234704 + 18567877696 = 108052^2 + 136264^2 .

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 699410 + ... + 741390.

Almost surely, 2^30243112400 is an apocalyptic number.

It is an amenable number.

30243112400 is an abundant number, since it is smaller than the sum of its proper divisors (42458040604).

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

30243112400 is a wasteful number, since it uses less digits than its factorization.

30243112400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43800 (or 43789 counting only the distinct ones).

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

Adding to 30243112400 its reverse (421134203), we get a palindrome (30664246603).

The spelling of 30243112400 in words is "thirty billion, two hundred forty-three million, one hundred twelve thousand, four hundred".