214998533640 has 96 divisors (see below), whose sum is σ = 762267542400. Its totient is φ = 52120855680.

The previous prime is 214998533621. The next prime is 214998533663. The reversal of 214998533640 is 46335899412.

214998533640 is a `hidden beast` number, since 2 + 1 + 49 + 9 + 8 + 533 + 64 + 0 = 666.

214998533640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27142320 + ... + 27150239.

It is an arithmetic number, because the mean of its divisors is an integer number (7940286900).

Almost surely, 2^214998533640 is an apocalyptic number.

214998533640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214998533640 is an abundant number, since it is smaller than the sum of its proper divisors (547269008760).

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

214998533640 is a wasteful number, since it uses less digits than its factorization.

214998533640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54292587 (or 54292580 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 214998533640 in words is "two hundred fourteen billion, nine hundred ninety-eight million, five hundred thirty-three thousand, six hundred forty".