120456340555660 has 24 divisors (see below), whose sum is σ = 252961858373616. Its totient is φ = 48181861325760.

The previous prime is 120456340555571. The next prime is 120456340555667. The reversal of 120456340555660 is 66555043654021.

It is a super-2 number, since 2×120456340555660² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120456340555598 and 120456340555607.

It is not an unprimeable number, because it can be changed into a prime (120456340555667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40716246 + ... + 43574365.

It is an arithmetic number, because the mean of its divisors is an integer number (10540077432234).

Almost surely, 2^{120456340555660} is an apocalyptic number.

120456340555660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120456340555660 is an abundant number, since it is smaller than the sum of its proper divisors (132505517817956).

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

120456340555660 is a wasteful number, since it uses less digits than its factorization.

120456340555660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84362073 (or 84362071 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 52.

The spelling of 120456340555660 in words is "one hundred twenty trillion, four hundred fifty-six billion, three hundred forty million, five hundred fifty-five thousand, six hundred sixty".