122440630340 has 48 divisors (see below), whose sum is σ = 311143254912. Its totient is φ = 39510253056.

The previous prime is 122440630237. The next prime is 122440630379. The reversal of 122440630340 is 43036044221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25720442 + ... + 25725201.

It is an arithmetic number, because the mean of its divisors is an integer number (6482151144).

Almost surely, 2^122440630340 is an apocalyptic number.

122440630340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122440630340 is an abundant number, since it is smaller than the sum of its proper divisors (188702624572).

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

122440630340 is a wasteful number, since it uses less digits than its factorization.

122440630340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51445676 (or 51445674 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 122440630340 its reverse (43036044221), we get a palindrome (165476674561).

The spelling of 122440630340 in words is "one hundred twenty-two billion, four hundred forty million, six hundred thirty thousand, three hundred forty".