120604184640 has 336 divisors, whose sum is σ = 427247840448. Its totient is φ = 31208067072.

The previous prime is 120604184629. The next prime is 120604184647. The reversal of 120604184640 is 46481406021.

It is a happy number.

120604184640 is a `hidden beast` number, since 1 + 2 + 0 + 6 + 0 + 4 + 1 + 8 + 4 + 640 = 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 = 120604184595 and 120604184604.

It is not an unprimeable number, because it can be changed into a prime (120604184647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19439779 + ... + 19445981.

Almost surely, 2^120604184640 is an apocalyptic number.

120604184640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120604184640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213623920224).

120604184640 is an abundant number, since it is smaller than the sum of its proper divisors (306643655808).

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

120604184640 is a wasteful number, since it uses less digits than its factorization.

120604184640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6426 (or 6413 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 120604184640 in words is "one hundred twenty billion, six hundred four million, one hundred eighty-four thousand, six hundred forty".