207345443904 has 63 divisors (see below), whose sum is σ = 594349603653. Its totient is φ = 69111505152.

The previous prime is 207345443891. The next prime is 207345443953. The reversal of 207345443904 is 409344543702.

The square root of 207345443904 is 455352.

It is a perfect power (a square), and thus also a powerful number.

207345443904 is a `hidden beast` number, since 2 + 0 + 73 + 4 + 544 + 39 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 73354305600 + 133991138304 = 270840^2 + 366048^2 .

It is a super-2 number, since 2×207345443904² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 207345443904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10918962 + ... + 10937934.

Almost surely, 2^207345443904 is an apocalyptic number.

207345443904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

207345443904 is the 455352-nd square number.

It is an amenable number.

207345443904 is an abundant number, since it is smaller than the sum of its proper divisors (387004159749).

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

207345443904 is an frugal number, since it uses more digits than its factorization.

207345443904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37964 (or 18978 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

It can be divided in two parts, 207345 and 443904, that added together give a square (651249 = 807²).

The spelling of 207345443904 in words is "two hundred seven billion, three hundred forty-five million, four hundred forty-three thousand, nine hundred four".