4263440457 has 32 divisors (see below), whose sum is σ = 6057216000. Its totient is φ = 2659849920.

The previous prime is 4263440443. The next prime is 4263440459. The reversal of 4263440457 is 7540443624.

It is not a de Polignac number, because 4263440457 - 2⁸ = 4263440201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4263440459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1783419 + ... + 1785807.

It is an arithmetic number, because the mean of its divisors is an integer number (189288000).

Almost surely, 2^4263440457 is an apocalyptic number.

It is an amenable number.

4263440457 is a deficient number, since it is larger than the sum of its proper divisors (1793775543).

4263440457 is a wasteful number, since it uses less digits than its factorization.

4263440457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781.

The product of its (nonzero) digits is 322560, while the sum is 39.

The square root of 4263440457 is about 65295.0262807206. The cubic root of 4263440457 is about 1621.5116278457.

The spelling of 4263440457 in words is "four billion, two hundred sixty-three million, four hundred forty thousand, four hundred fifty-seven".