4231225440 has 144 divisors (see below), whose sum is σ = 15549822288. Its totient is φ = 1041527808.

The previous prime is 4231225423. The next prime is 4231225487. The reversal of 4231225440 is 445221324.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94294 + ... + 131733.

It is an arithmetic number, because the mean of its divisors is an integer number (107984877).

Almost surely, 2^4231225440 is an apocalyptic number.

4231225440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4231225440 is an abundant number, since it is smaller than the sum of its proper divisors (11318596848).

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

4231225440 is a wasteful number, since it uses less digits than its factorization.

4231225440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226061 (or 226050 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 4231225440 is about 65047.8703725187. The cubic root of 4231225440 is about 1617.4171920784.

Adding to 4231225440 its reverse (445221324), we get a palindrome (4676446764).

The spelling of 4231225440 in words is "four billion, two hundred thirty-one million, two hundred twenty-five thousand, four hundred forty".