4428693240 has 128 divisors (see below), whose sum is σ = 14342054400. Its totient is φ = 1090664960.

The previous prime is 4428693193. The next prime is 4428693271. The reversal of 4428693240 is 423968244.

It is a super-3 number, since 3×4428693240³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 4428693192 and 4428693201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52375 + ... + 107705.

It is an arithmetic number, because the mean of its divisors is an integer number (112047300).

Almost surely, 2^4428693240 is an apocalyptic number.

4428693240 is a gapful number since it is divisible by the number (40) 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 4428693240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7171027200).

4428693240 is an abundant number, since it is smaller than the sum of its proper divisors (9913361160).

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

4428693240 is a wasteful number, since it uses less digits than its factorization.

4428693240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55397 (or 55393 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The square root of 4428693240 is about 66548.4277800761. The cubic root of 4428693240 is about 1642.1967933232.

The spelling of 4428693240 in words is "four billion, four hundred twenty-eight million, six hundred ninety-three thousand, two hundred forty".