196532622400 has 63 divisors (see below), whose sum is σ = 483636721701. Its totient is φ = 78605955840.

The previous prime is 196532622397. The next prime is 196532622401. The reversal of 196532622400 is 4226235691.

The square root of 196532622400 is 443320.

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

It can be written as a sum of positive squares in only one way, i.e., 70751744064 + 125780878336 = 265992^2 + 354656^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196532622401) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17727259 + ... + 17738341.

Almost surely, 2^196532622400 is an apocalyptic number.

196532622400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

196532622400 is the 443320-th square number.

It is an amenable number.

196532622400 is an abundant number, since it is smaller than the sum of its proper divisors (287104099301).

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

196532622400 is an frugal number, since it uses more digits than its factorization.

196532622400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22188 (or 11090 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 196532622400 in words is "one hundred ninety-six billion, five hundred thirty-two million, six hundred twenty-two thousand, four hundred".