2165454374200 has 48 divisors (see below), whose sum is σ = 5421964612680. Its totient is φ = 799552383360.

The previous prime is 2165454374023. The next prime is 2165454374221. The reversal of 2165454374200 is 24734545612.

It is a congruent number.

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, 416430934 + ... + 416436133.

Almost surely, 2^{2165454374200} is an apocalyptic number.

2165454374200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2165454374200 is an abundant number, since it is smaller than the sum of its proper divisors (3256510238480).

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

2165454374200 is a wasteful number, since it uses less digits than its factorization.

2165454374200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832867096 (or 832867087 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 2165454374200 in words is "two trillion, one hundred sixty-five billion, four hundred fifty-four million, three hundred seventy-four thousand, two hundred".