1820416545054 has 40 divisors (see below), whose sum is σ = 4100216725440. Its totient is φ = 603661434624.

The previous prime is 1820416545023. The next prime is 1820416545083. The reversal of 1820416545054 is 4505456140281.

1820416545054 is a `hidden beast` number, since 1 + 82 + 0 + 4 + 1 + 65 + 4 + 505 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29080494 + ... + 29143025.

It is an arithmetic number, because the mean of its divisors is an integer number (102505418136).

Almost surely, 2^{1820416545054} is an apocalyptic number.

1820416545054 is an abundant number, since it is smaller than the sum of its proper divisors (2279800180386).

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

1820416545054 is a wasteful number, since it uses less digits than its factorization.

1820416545054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58223726 (or 58223717 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 45.

The spelling of 1820416545054 in words is "one trillion, eight hundred twenty billion, four hundred sixteen million, five hundred forty-five thousand, fifty-four".