122402024140440 has 128 divisors (see below), whose sum is σ = 400786077669120. Its totient is φ = 29658578342400.

The previous prime is 122402024140433. The next prime is 122402024140469. The reversal of 122402024140440 is 44041420204221.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 122402024140398 and 122402024140407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20197771 + ... + 25549050.

It is an arithmetic number, because the mean of its divisors is an integer number (3131141231790).

Almost surely, 2^{122402024140440} is an apocalyptic number.

122402024140440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122402024140440 is an abundant number, since it is smaller than the sum of its proper divisors (278384053528680).

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

122402024140440 is a wasteful number, since it uses less digits than its factorization.

122402024140440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45748873 (or 45748869 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 122402024140440 its reverse (44041420204221), we get a palindrome (166443444344661).

The spelling of 122402024140440 in words is "one hundred twenty-two trillion, four hundred two billion, twenty-four million, one hundred forty thousand, four hundred forty".