195244493400 has 1152 divisors, whose sum is σ = 793679290560. Its totient is φ = 42467328000.

The previous prime is 195244493393. The next prime is 195244493407. The reversal of 195244493400 is 4394442591.

It is an interprime number because it is at equal distance from previous prime (195244493393) and next prime (195244493407).

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 (195244493407) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 759706072 + ... + 759706328.

Almost surely, 2^195244493400 is an apocalyptic number.

195244493400 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 195244493400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396839645280).

195244493400 is an abundant number, since it is smaller than the sum of its proper divisors (598434797160).

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

195244493400 is a wasteful number, since it uses less digits than its factorization.

195244493400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 195244493400 in words is "one hundred ninety-five billion, two hundred forty-four million, four hundred ninety-three thousand, four hundred".