30122220040 has 32 divisors (see below), whose sum is σ = 73936359360. Its totient is φ = 10953534400.

The previous prime is 30122220017. The next prime is 30122220097. The reversal of 30122220040 is 4002222103.

It is a junction number, because it is equal to n+sod(n) for n = 30122219996 and 30122220023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34229356 + ... + 34230235.

It is an arithmetic number, because the mean of its divisors is an integer number (2310511230).

Almost surely, 2^30122220040 is an apocalyptic number.

It is an amenable number.

30122220040 is an abundant number, since it is smaller than the sum of its proper divisors (43814139320).

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

30122220040 is a wasteful number, since it uses less digits than its factorization.

30122220040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68459613 (or 68459609 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 30122220040 its reverse (4002222103), we get a palindrome (34124442143).

The spelling of 30122220040 in words is "thirty billion, one hundred twenty-two million, two hundred twenty thousand, forty".