549460868406372 has 144 divisors (see below), whose sum is σ = 1584489720668400. Its totient is φ = 159044579426304.

The previous prime is 549460868406367. The next prime is 549460868406407. The reversal of 549460868406372 is 273604868064945.

549460868406372 is a `hidden beast` number, since 5 + 4 + 9 + 4 + 608 + 6 + 8 + 4 + 0 + 6 + 3 + 7 + 2 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 164762228528676 + 384698639877696 = 12835974^2 + 19613736^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 549460868406372.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 468754 + ... + 33153302.

It is an arithmetic number, because the mean of its divisors is an integer number (11003400837975).

Almost surely, 2^{549460868406372} is an apocalyptic number.

549460868406372 is a gapful number since it is divisible by the number (52) 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 549460868406372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (792244860334200).

549460868406372 is an abundant number, since it is smaller than the sum of its proper divisors (1035028852262028).

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

549460868406372 is a wasteful number, since it uses less digits than its factorization.

549460868406372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32686702 (or 32686697 counting only the distinct ones).

The product of its (nonzero) digits is 1672151040, while the sum is 72.

The spelling of 549460868406372 in words is "five hundred forty-nine trillion, four hundred sixty billion, eight hundred sixty-eight million, four hundred six thousand, three hundred seventy-two".