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194449080240 = 243256171127491
BaseRepresentation
bin1011010100011000010…
…0010111111110110000
3200120220111020202002200
42311012010113332300
511141212431031430
6225154554343200
720022425624322
oct2650604277660
9616814222080
10194449080240
1175513489008
123182872ab00
131544b2ba57c
1495a8bb1612
1550d0e97460
hex2d46117fb0

194449080240 has 480 divisors, whose sum is σ = 679759921152. Its totient is φ = 49787136000.

The previous prime is 194449080233. The next prime is 194449080253. The reversal of 194449080240 is 42080944491.

194449080240 is a `hidden beast` number, since 1 + 9 + 44 + 490 + 80 + 2 + 40 = 666.

194449080240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 396026395 + ... + 396026885.

Almost surely, 2194449080240 is an apocalyptic number.

194449080240 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 194449080240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339879960576).

194449080240 is an abundant number, since it is smaller than the sum of its proper divisors (485310840912).

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

194449080240 is a wasteful number, since it uses less digits than its factorization.

194449080240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 194449080240 in words is "one hundred ninety-four billion, four hundred forty-nine million, eighty thousand, two hundred forty".