180208740100 has 27 divisors (see below), whose sum is σ = 391062178101. Its totient is φ = 72081798000.

The previous prime is 180208740073. The next prime is 180208740121. The reversal of 180208740100 is 1047802081.

The square root of 180208740100 is 424510.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 64875146436 + 115333593664 = 254706^2 + 339608^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4223875 + ... + 4266325.

Almost surely, 2^180208740100 is an apocalyptic number.

180208740100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

180208740100 is the 424510-th square number.

It is an amenable number.

180208740100 is an abundant number, since it is smaller than the sum of its proper divisors (210853438001).

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

180208740100 is an frugal number, since it uses more digits than its factorization.

180208740100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84916 (or 42458 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The spelling of 180208740100 in words is "one hundred eighty billion, two hundred eight million, seven hundred forty thousand, one hundred".