120549867408 has 50 divisors (see below), whose sum is σ = 348906294374. Its totient is φ = 40183288704.

The previous prime is 120549867401. The next prime is 120549867419. The reversal of 120549867408 is 804768945021.

It is a happy number.

120549867408 is a `hidden beast` number, since 1 + 20 + 549 + 8 + 6 + 74 + 0 + 8 = 666.

120549867408 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 111296966544 + 9252900864 = 333612^2 + 96192^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (120549867401) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 46507141 + ... + 46509732.

Almost surely, 2^120549867408 is an apocalyptic number.

120549867408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

120549867408 is an abundant number, since it is smaller than the sum of its proper divisors (228356426966).

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

120549867408 is an equidigital number, since it uses as much as digits as its factorization.

120549867408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93016893 (or 93016878 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 120549867408 in words is "one hundred twenty billion, five hundred forty-nine million, eight hundred sixty-seven thousand, four hundred eight".