209483581032 has 432 divisors, whose sum is σ = 673180260480. Its totient is φ = 58298486400.

The previous prime is 209483581019. The next prime is 209483581091. The reversal of 209483581032 is 230185384902.

209483581032 is a `hidden beast` number, since 20 + 9 + 48 + 3 + 581 + 0 + 3 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 1649476953 + ... + 1649477079.

It is an arithmetic number, because the mean of its divisors is an integer number (1558287640).

Almost surely, 2^209483581032 is an apocalyptic number.

209483581032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 209483581032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336590130240).

209483581032 is an abundant number, since it is smaller than the sum of its proper divisors (463696679448).

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

209483581032 is a wasteful number, since it uses less digits than its factorization.

209483581032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 209483581032 in words is "two hundred nine billion, four hundred eighty-three million, five hundred eighty-one thousand, thirty-two".