196903788934400 has 54 divisors (see below), whose sum is σ = 487367643845502. Its totient is φ = 78761515571200.

The previous prime is 196903788934381. The next prime is 196903788934409. The reversal of 196903788934400 is 4439887309691.

It can be written as a sum of positive squares in 3 ways, for example, as 2463744615424 + 194440044318976 = 1569632^2 + 13944176^2 .

It is a super-2 number, since 2×196903788934400² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196903788934409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15383102111 + ... + 15383114910.

Almost surely, 2^{196903788934400} is an apocalyptic number.

196903788934400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196903788934400 is an abundant number, since it is smaller than the sum of its proper divisors (290463854911102).

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

196903788934400 is an equidigital number, since it uses as much as digits as its factorization.

196903788934400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30766217047 (or 30766217028 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 71.

The spelling of 196903788934400 in words is "one hundred ninety-six trillion, nine hundred three billion, seven hundred eighty-eight million, nine hundred thirty-four thousand, four hundred".