209152480 has 48 divisors (see below), whose sum is σ = 506190384. Its totient is φ = 81617920.

The previous prime is 209152459. The next prime is 209152481. The reversal of 209152480 is 84251902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (209152481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9382 + ... + 22501.

It is an arithmetic number, because the mean of its divisors is an integer number (10545633).

Almost surely, 2^209152480 is an apocalyptic number.

209152480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

209152480 is an abundant number, since it is smaller than the sum of its proper divisors (297037904).

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

209152480 is a wasteful number, since it uses less digits than its factorization.

209152480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31939 (or 31931 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 209152480 is about 14462.1049643543. The cubic root of 209152480 is about 593.5914992619.

The spelling of 209152480 in words is "two hundred nine million, one hundred fifty-two thousand, four hundred eighty".