4257026920 has 16 divisors (see below), whose sum is σ = 9578310660. Its totient is φ = 1702810752.

The previous prime is 4257026911. The next prime is 4257026989. The reversal of 4257026920 is 296207524.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4013729316 + 243297604 = 63354^2 + 15598^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4257026920.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 53212797 + ... + 53212876.

Almost surely, 2^4257026920 is an apocalyptic number.

4257026920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4257026920 is an abundant number, since it is smaller than the sum of its proper divisors (5321283740).

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

4257026920 is a wasteful number, since it uses less digits than its factorization.

4257026920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106425684 (or 106425680 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 4257026920 is about 65245.8958096216. The cubic root of 4257026920 is about 1620.6981342957.

The spelling of 4257026920 in words is "four billion, two hundred fifty-seven million, twenty-six thousand, nine hundred twenty".