120066660040 has 48 divisors (see below), whose sum is σ = 275343585300. Its totient is φ = 47120456448.

The previous prime is 120066660029. The next prime is 120066660047. The reversal of 120066660040 is 40066660021.

It can be written as a sum of positive squares in 6 ways, for example, as 95329032516 + 24737627524 = 308754^2 + 157282^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120066659984 and 120066660011.

It is not an unprimeable number, because it can be changed into a prime (120066660047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 421935 + ... + 646654.

Almost surely, 2^120066660040 is an apocalyptic number.

120066660040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120066660040 is an abundant number, since it is smaller than the sum of its proper divisors (155276925260).

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

120066660040 is a wasteful number, since it uses less digits than its factorization.

120066660040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068706 (or 1068649 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 120066660040 in words is "one hundred twenty billion, sixty-six million, six hundred sixty thousand, forty".