195157229400 has 432 divisors, whose sum is σ = 770301244440. Its totient is φ = 44145561600.

The previous prime is 195157229363. The next prime is 195157229401. The reversal of 195157229400 is 4922751591.

195157229400 is a `hidden beast` number, since 1 + 9 + 5 + 15 + 7 + 229 + 400 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195157229401) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 8543995 + ... + 8566805.

Almost surely, 2^195157229400 is an apocalyptic number.

195157229400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195157229400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385150622220).

195157229400 is an abundant number, since it is smaller than the sum of its proper divisors (575144015040).

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

195157229400 is a wasteful number, since it uses less digits than its factorization.

195157229400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22944 (or 22925 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 195157229400 in words is "one hundred ninety-five billion, one hundred fifty-seven million, two hundred twenty-nine thousand, four hundred".