4257535436 has 48 divisors (see below), whose sum is σ = 9505224960. Its totient is φ = 1620198720.

The previous prime is 4257535391. The next prime is 4257535439. The reversal of 4257535436 is 6345357524.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (4257535439) 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 15 ways as a sum of consecutive naturals, for example, 147491 + ... + 173978.

It is an arithmetic number, because the mean of its divisors is an integer number (198025520).

Almost surely, 2^4257535436 is an apocalyptic number.

It is an amenable number.

4257535436 is an abundant number, since it is smaller than the sum of its proper divisors (5247689524).

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

4257535436 is a wasteful number, since it uses less digits than its factorization.

4257535436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321534 (or 321532 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 44.

The square root of 4257535436 is about 65249.7926126972. The cubic root of 4257535436 is about 1620.7626643174.

The spelling of 4257535436 in words is "four billion, two hundred fifty-seven million, five hundred thirty-five thousand, four hundred thirty-six".