206734807400 has 48 divisors (see below), whose sum is σ = 524354653440. Its totient is φ = 75176292800.

The previous prime is 206734807397. The next prime is 206734807423. The reversal of 206734807400 is 4708437602.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46982984 + ... + 46987383.

It is an arithmetic number, because the mean of its divisors is an integer number (10924055280).

Almost surely, 2^206734807400 is an apocalyptic number.

206734807400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206734807400 is an abundant number, since it is smaller than the sum of its proper divisors (317619846040).

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

206734807400 is a wasteful number, since it uses less digits than its factorization.

206734807400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93970394 (or 93970385 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 206734807400 in words is "two hundred six billion, seven hundred thirty-four million, eight hundred seven thousand, four hundred".