1654644314244 has 24 divisors (see below), whose sum is σ = 3862456958080. Its totient is φ = 551316644064.

The previous prime is 1654644314221. The next prime is 1654644314291. The reversal of 1654644314244 is 4424134464561.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1654644314193 and 1654644314202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28902799 + ... + 28959990.

Almost surely, 2^{1654644314244} is an apocalyptic number.

It is an amenable number.

1654644314244 is an abundant number, since it is smaller than the sum of its proper divisors (2207812643836).

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

1654644314244 is a wasteful number, since it uses less digits than its factorization.

1654644314244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57865179 (or 57865177 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 48.

The spelling of 1654644314244 in words is "one trillion, six hundred fifty-four billion, six hundred forty-four million, three hundred fourteen thousand, two hundred forty-four".