212054460 has 48 divisors (see below), whose sum is σ = 608241312. Its totient is φ = 55168000.

The previous prime is 212054441. The next prime is 212054471. The reversal of 212054460 is 64450212.

It is a self number, because there is not a number n which added to its sum of digits gives 212054460.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40641 + ... + 45560.

It is an arithmetic number, because the mean of its divisors is an integer number (12671694).

Almost surely, 2^212054460 is an apocalyptic number.

212054460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212054460 is an abundant number, since it is smaller than the sum of its proper divisors (396186852).

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

212054460 is a wasteful number, since it uses less digits than its factorization.

212054460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86254 (or 86252 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 212054460 is about 14562.0898225495. The cubic root of 212054460 is about 596.3242496392.

The spelling of 212054460 in words is "two hundred twelve million, fifty-four thousand, four hundred sixty".