42122207140 has 48 divisors (see below), whose sum is σ = 95353817328. Its totient is φ = 15537659904.

The previous prime is 42122207123. The next prime is 42122207143. The reversal of 42122207140 is 4170222124.

It can be written as a sum of positive squares in 8 ways, for example, as 679019364 + 41443187776 = 26058^2 + 203576^2 .

It is not an unprimeable number, because it can be changed into a prime (42122207143) 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, 190164 + ... + 346996.

It is an arithmetic number, because the mean of its divisors is an integer number (1986537861).

Almost surely, 2^42122207140 is an apocalyptic number.

It is an amenable number.

42122207140 is an abundant number, since it is smaller than the sum of its proper divisors (53231610188).

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

42122207140 is a wasteful number, since it uses less digits than its factorization.

42122207140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157888 (or 157886 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

Adding to 42122207140 its reverse (4170222124), we get a palindrome (46292429264).

The spelling of 42122207140 in words is "forty-two billion, one hundred twenty-two million, two hundred seven thousand, one hundred forty".