122454550440 has 64 divisors (see below), whose sum is σ = 408181838400. Its totient is φ = 32654546496.

The previous prime is 122454550417. The next prime is 122454550453. The reversal of 122454550440 is 44055454221.

122454550440 is a `hidden beast` number, since 1 + 2 + 24 + 545 + 50 + 4 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 122454550395 and 122454550404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56690842 + ... + 56693001.

It is an arithmetic number, because the mean of its divisors is an integer number (6377841225).

Almost surely, 2^122454550440 is an apocalyptic number.

122454550440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122454550440 is an abundant number, since it is smaller than the sum of its proper divisors (285727287960).

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

122454550440 is a wasteful number, since it uses less digits than its factorization.

122454550440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113383863 (or 113383853 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

The spelling of 122454550440 in words is "one hundred twenty-two billion, four hundred fifty-four million, five hundred fifty thousand, four hundred forty".