206984127539400 has 96 divisors (see below), whose sum is σ = 642098565516960. Its totient is φ = 55157249482240.

The previous prime is 206984127539363. The next prime is 206984127539447. The reversal of 206984127539400 is 4935721489602.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119507802 + ... + 121227401.

It is an arithmetic number, because the mean of its divisors is an integer number (6688526724135).

It is a 2-persistent number, because it is pandigital, and so is 2⋅206984127539400 = 413968255078800, but 3⋅206984127539400 = 620952382618200 is not.

Almost surely, 2^{206984127539400} is an apocalyptic number.

206984127539400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206984127539400 is an abundant number, since it is smaller than the sum of its proper divisors (435114437977560).

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

206984127539400 is a wasteful number, since it uses less digits than its factorization.

206984127539400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240736655 (or 240736646 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 206984127539400 in words is "two hundred six trillion, nine hundred eighty-four billion, one hundred twenty-seven million, five hundred thirty-nine thousand, four hundred".