208010400 has 288 divisors, whose sum is σ = 748077120. Its totient is φ = 49889280.

The previous prime is 208010381. The next prime is 208010401. The reversal of 208010400 is 4010802.

208010400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 208010400.

It is not an unprimeable number, because it can be changed into a prime (208010401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1840744 + ... + 1840856.

It is an arithmetic number, because the mean of its divisors is an integer number (2597490).

Almost surely, 2^208010400 is an apocalyptic number.

208010400 is a gapful number since it is divisible by the number (20) 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 208010400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374038560).

208010400 is an abundant number, since it is smaller than the sum of its proper divisors (540066720).

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

208010400 is a wasteful number, since it uses less digits than its factorization.

208010400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 208010400 is about 14422.5656524767. The cubic root of 208010400 is about 592.5090885038.

The spelling of 208010400 in words is "two hundred eight million, ten thousand, four hundred".