4226397240 has 128 divisors (see below), whose sum is σ = 14373273600. Its totient is φ = 985582080.

The previous prime is 4226397239. The next prime is 4226397247. The reversal of 4226397240 is 427936224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4226397247) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 41656 + ... + 100935.

It is an arithmetic number, because the mean of its divisors is an integer number (112291200).

Almost surely, 2^4226397240 is an apocalyptic number.

4226397240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4226397240 is an abundant number, since it is smaller than the sum of its proper divisors (10146876360).

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

4226397240 is a wasteful number, since it uses less digits than its factorization.

4226397240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142637 (or 142633 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 4226397240 is about 65010.7471115353. The cubic root of 4226397240 is about 1616.8017528859.

The spelling of 4226397240 in words is "four billion, two hundred twenty-six million, three hundred ninety-seven thousand, two hundred forty".