194751040 has 112 divisors (see below), whose sum is σ = 514770624. Its totient is φ = 69580800.

The previous prime is 194751023. The next prime is 194751041. The reversal of 194751040 is 40157491.

It is a super-3 number, since 3×194751040³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 194750993 and 194751011.

It is not an unprimeable number, because it can be changed into a prime (194751041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214267 + ... + 215173.

Almost surely, 2^194751040 is an apocalyptic number.

194751040 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 194751040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257385312).

194751040 is an abundant number, since it is smaller than the sum of its proper divisors (320019584).

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

194751040 is a wasteful number, since it uses less digits than its factorization.

194751040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 194751040 is about 13955.3229987700. The cubic root of 194751040 is about 579.6421097674.

The spelling of 194751040 in words is "one hundred ninety-four million, seven hundred fifty-one thousand, forty".