4257493140 has 48 divisors (see below), whose sum is σ = 11983426560. Its totient is φ = 1129384320.

The previous prime is 4257493139. The next prime is 4257493147. The reversal of 4257493140 is 413947524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4257493147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174295 + ... + 197214.

It is an arithmetic number, because the mean of its divisors is an integer number (249654720).

Almost surely, 2^4257493140 is an apocalyptic number.

It is an amenable number.

4257493140 is an abundant number, since it is smaller than the sum of its proper divisors (7725933420).

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

4257493140 is a wasteful number, since it uses less digits than its factorization.

4257493140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371712 (or 371710 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 4257493140 is about 65249.4685035825. The cubic root of 4257493140 is about 1620.7572972057.

The spelling of 4257493140 in words is "four billion, two hundred fifty-seven million, four hundred ninety-three thousand, one hundred forty".