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4428718740 = 2237519732
BaseRepresentation
bin1000001111111100…
…01110001010010100
3102102122102020000000
410013332032022110
533032222444430
62011242451300
7214514326305
oct40776161224
912378366000
104428718740
111972994a36
12a37203b30
135576a9a44
143002727ac
151adc0ce60
hex107f8e294

4428718740 has 288 divisors, whose sum is σ = 14886345600. Its totient is φ = 1103507712.

The previous prime is 4428718699. The next prime is 4428718757. The reversal of 4428718740 is 478178244.

4428718740 is a `hidden beast` number, since 4 + 428 + 7 + 187 + 40 = 666.

It is a super-2 number, since 2×44287187402 = 39227099356054375200, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 60667344 + ... + 60667416.

It is an arithmetic number, because the mean of its divisors is an integer number (51688700).

Almost surely, 24428718740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4428718740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7443172800).

4428718740 is an abundant number, since it is smaller than the sum of its proper divisors (10457626860).

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

4428718740 is an equidigital number, since it uses as much as digits as its factorization.

4428718740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 45.

The square root of 4428718740 is about 66548.6193696007. The cubic root of 4428718740 is about 1642.1999451888.

The spelling of 4428718740 in words is "four billion, four hundred twenty-eight million, seven hundred eighteen thousand, seven hundred forty".