4233257440 has 48 divisors (see below), whose sum is σ = 10100129760. Its totient is φ = 1676531200.

The previous prime is 4233257419. The next prime is 4233257459. The reversal of 4233257440 is 447523324.

It is a junction number, because it is equal to n+sod(n) for n = 4233257396 and 4233257405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114820 + ... + 147139.

It is an arithmetic number, because the mean of its divisors is an integer number (210419370).

Almost surely, 2^4233257440 is an apocalyptic number.

4233257440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4233257440 is an abundant number, since it is smaller than the sum of its proper divisors (5866872320).

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

4233257440 is a wasteful number, since it uses less digits than its factorization.

4233257440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262075 (or 262067 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 34.

The square root of 4233257440 is about 65063.4877638757. The cubic root of 4233257440 is about 1617.6760663143.

The spelling of 4233257440 in words is "four billion, two hundred thirty-three million, two hundred fifty-seven thousand, four hundred forty".