30320000040400 has 120 divisors (see below), whose sum is σ = 83251658856384. Its totient is φ = 10395228595200.

The previous prime is 30320000040391. The next prime is 30320000040403. The reversal of 30320000040400 is 404000002303.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30320000040403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 278722020 + ... + 278830780.

Almost surely, 2^{30320000040400} is an apocalyptic number.

It is an amenable number.

30320000040400 is an abundant number, since it is smaller than the sum of its proper divisors (52931658815984).

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

30320000040400 is a wasteful number, since it uses less digits than its factorization.

30320000040400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208349 (or 208338 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 30320000040400 its reverse (404000002303), we get a palindrome (30724000042703).

The spelling of 30320000040400 in words is "thirty trillion, three hundred twenty billion, forty thousand, four hundred".