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4423797774 = 23311313743151
BaseRepresentation
bin1000001111010110…
…11100110000001110
3102102022011012201000
410013223130300032
533024443012044
62010545201130
7214424442414
oct40753346016
912368135630
104423797774
111970133820
12a356301a6
13556675c26
142dd7512b4
151ad589d69
hex107adcc0e

4423797774 has 256 divisors, whose sum is σ = 11710955520. Its totient is φ = 1224720000.

The previous prime is 4423797773. The next prime is 4423797803. The reversal of 4423797774 is 4777973244.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4423797774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423797773) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 29296599 + ... + 29296749.

It is an arithmetic number, because the mean of its divisors is an integer number (45745920).

Almost surely, 24423797774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4423797774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5855477760).

4423797774 is an abundant number, since it is smaller than the sum of its proper divisors (7287157746).

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

4423797774 is a wasteful number, since it uses less digits than its factorization.

4423797774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 278 counting only the distinct ones).

The product of its digits is 8297856, while the sum is 54.

The square root of 4423797774 is about 66511.6363804109. The cubic root of 4423797774 is about 1641.5914768739.

The spelling of 4423797774 in words is "four billion, four hundred twenty-three million, seven hundred ninety-seven thousand, seven hundred seventy-four".