4265728380 has 192 divisors, whose sum is σ = 14019264000. Its totient is φ = 1073834496.

The previous prime is 4265728367. The next prime is 4265728393. The reversal of 4265728380 is 838275624.

4265728380 is a `hidden beast` number, since 4 + 265 + 7 + 2 + 8 + 380 = 666.

It is an interprime number because it is at equal distance from previous prime (4265728367) and next prime (4265728393).

It is a super-2 number, since 2×4265728380² = 36392877223874848800, 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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3887992 + ... + 3889088.

It is an arithmetic number, because the mean of its divisors is an integer number (73017000).

Almost surely, 2^4265728380 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 4265728380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7009632000).

4265728380 is an abundant number, since it is smaller than the sum of its proper divisors (9753535620).

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

4265728380 is a wasteful number, since it uses less digits than its factorization.

4265728380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513 (or 1505 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 4265728380 is about 65312.5438181671. The cubic root of 4265728380 is about 1621.8016307483.

The spelling of 4265728380 in words is "four billion, two hundred sixty-five million, seven hundred twenty-eight thousand, three hundred eighty".