194274533376 has 1344 divisors, whose sum is σ = 778142695680. Its totient is φ = 46714060800.

The previous prime is 194274533371. The next prime is 194274533441. The reversal of 194274533376 is 673335472491.

194274533376 is a `hidden beast` number, since 1 + 9 + 4 + 2 + 74 + 533 + 37 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194274533371) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3184828386 + ... + 3184828446.

It is an arithmetic number, because the mean of its divisors is an integer number (578975220).

Almost surely, 2^194274533376 is an apocalyptic number.

194274533376 is a gapful number since it is divisible by the number (16) 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 194274533376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389071347840).

194274533376 is an abundant number, since it is smaller than the sum of its proper divisors (583868162304).

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

194274533376 is a wasteful number, since it uses less digits than its factorization.

194274533376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 101 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 54.

The spelling of 194274533376 in words is "one hundred ninety-four billion, two hundred seventy-four million, five hundred thirty-three thousand, three hundred seventy-six".