30230400042 has 128 divisors (see below), whose sum is σ = 72105984000. Its totient is φ = 9354901248.

The previous prime is 30230400029. The next prime is 30230400049. The reversal of 30230400042 is 24000403203.

30230400042 is a `hidden beast` number, since 30 + 230 + 400 + 0 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30230399988 and 30230400024.

It is not an unprimeable number, because it can be changed into a prime (30230400049) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23199963 + ... + 23201265.

It is an arithmetic number, because the mean of its divisors is an integer number (563328000).

Almost surely, 2^30230400042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30230400042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36052992000).

30230400042 is an abundant number, since it is smaller than the sum of its proper divisors (41875583958).

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

30230400042 is a wasteful number, since it uses less digits than its factorization.

30230400042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657 (or 1651 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 30230400042 its reverse (24000403203), we get a palindrome (54230803245).

The spelling of 30230400042 in words is "thirty billion, two hundred thirty million, four hundred thousand, forty-two".