18049127405472 has 72 divisors (see below), whose sum is σ = 51806899662336. Its totient is φ = 5960147980416.

The previous prime is 18049127405467. The next prime is 18049127405503. The reversal of 18049127405472 is 27450472194081.

It is a happy number.

18049127405472 is a `hidden beast` number, since 1 + 8 + 0 + 4 + 9 + 127 + 40 + 5 + 472 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292822368 + ... + 292883999.

It is an arithmetic number, because the mean of its divisors is an integer number (719540273088).

Almost surely, 2^{18049127405472} is an apocalyptic number.

18049127405472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18049127405472 is an abundant number, since it is smaller than the sum of its proper divisors (33757772256864).

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

18049127405472 is a wasteful number, since it uses less digits than its factorization.

18049127405472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585706490 (or 585706479 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 18049127405472 in words is "eighteen trillion, forty-nine billion, one hundred twenty-seven million, four hundred five thousand, four hundred seventy-two".