122260680440 has 32 divisors (see below), whose sum is σ = 275099600160. Its totient is φ = 48901948800.

The previous prime is 122260680439. The next prime is 122260680467. The reversal of 122260680440 is 44086062221.

It is a self number, because there is not a number n which added to its sum of digits gives 122260680440.

It is a congruent number.

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, 961805 + ... + 1081475.

It is an arithmetic number, because the mean of its divisors is an integer number (8596862505).

Almost surely, 2^122260680440 is an apocalyptic number.

122260680440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122260680440 is an abundant number, since it is smaller than the sum of its proper divisors (152838919720).

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

122260680440 is a wasteful number, since it uses less digits than its factorization.

122260680440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145223 (or 145219 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 122260680440 in words is "one hundred twenty-two billion, two hundred sixty million, six hundred eighty thousand, four hundred forty".