30323104040 has 64 divisors (see below), whose sum is σ = 69803596800. Its totient is φ = 11852126208.

The previous prime is 30323104039. The next prime is 30323104043. The reversal of 30323104040 is 4040132303.

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

It is not an unprimeable number, because it can be changed into a prime (30323104043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257057 + ... + 355983.

It is an arithmetic number, because the mean of its divisors is an integer number (1090681200).

Almost surely, 2^30323104040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30323104040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34901798400).

30323104040 is an abundant number, since it is smaller than the sum of its proper divisors (39480492760).

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

30323104040 is a wasteful number, since it uses less digits than its factorization.

30323104040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99114 (or 99110 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30323104040 its reverse (4040132303), we get a palindrome (34363236343).

The spelling of 30323104040 in words is "thirty billion, three hundred twenty-three million, one hundred four thousand, forty".