42225402120 has 64 divisors (see below), whose sum is σ = 138192229440. Its totient is φ = 10236460800.

The previous prime is 42225402113. The next prime is 42225402133. The reversal of 42225402120 is 2120452224.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15993151 + ... + 15995790.

It is an arithmetic number, because the mean of its divisors is an integer number (2159253585).

Almost surely, 2^42225402120 is an apocalyptic number.

42225402120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42225402120 is an abundant number, since it is smaller than the sum of its proper divisors (95966827320).

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

42225402120 is a wasteful number, since it uses less digits than its factorization.

42225402120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31988966 (or 31988962 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 42225402120 its reverse (2120452224), we get a palindrome (44345854344).

The spelling of 42225402120 in words is "forty-two billion, two hundred twenty-five million, four hundred two thousand, one hundred twenty".