33130112440420 has 48 divisors (see below), whose sum is σ = 70890717602880. Its totient is φ = 13001129837696.

The previous prime is 33130112440391. The next prime is 33130112440421. The reversal of 33130112440420 is 2404421103133.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (33130112440421) 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, 14789259 + ... + 16881421.

It is an arithmetic number, because the mean of its divisors is an integer number (1476889950060).

Almost surely, 2^{33130112440420} is an apocalyptic number.

It is an amenable number.

33130112440420 is an abundant number, since it is smaller than the sum of its proper divisors (37760605162460).

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

33130112440420 is a wasteful number, since it uses less digits than its factorization.

33130112440420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107164 (or 2107162 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 33130112440420 its reverse (2404421103133), we get a palindrome (35534533543553).

The spelling of 33130112440420 in words is "thirty-three trillion, one hundred thirty billion, one hundred twelve million, four hundred forty thousand, four hundred twenty".