30165240400 has 30 divisors (see below), whose sum is σ = 72471991022. Its totient is φ = 12066096000.

The previous prime is 30165240349. The next prime is 30165240407. The reversal of 30165240400 is 404256103.

It can be written as a sum of positive squares in 3 ways, for example, as 47720464 + 30117519936 = 6908^2 + 173544^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30165240407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37706151 + ... + 37706950.

Almost surely, 2^30165240400 is an apocalyptic number.

It is an amenable number.

30165240400 is an abundant number, since it is smaller than the sum of its proper divisors (42306750622).

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

30165240400 is a wasteful number, since it uses less digits than its factorization.

30165240400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75413119 (or 75413108 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 30165240400 its reverse (404256103), we get a palindrome (30569496503).

The spelling of 30165240400 in words is "thirty billion, one hundred sixty-five million, two hundred forty thousand, four hundred".