206452310540 has 96 divisors (see below), whose sum is σ = 505845648000. Its totient is φ = 70748912640.

The previous prime is 206452310521. The next prime is 206452310567. The reversal of 206452310540 is 45013254602.

It is a junction number, because it is equal to n+sod(n) for n = 206452310497 and 206452310506.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16739096 + ... + 16751424.

It is an arithmetic number, because the mean of its divisors is an integer number (5269225500).

Almost surely, 2^206452310540 is an apocalyptic number.

206452310540 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 206452310540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252922824000).

206452310540 is an abundant number, since it is smaller than the sum of its proper divisors (299393337460).

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

206452310540 is a wasteful number, since it uses less digits than its factorization.

206452310540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14800 (or 14784 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 206452310540 in words is "two hundred six billion, four hundred fifty-two million, three hundred ten thousand, five hundred forty".