5257306026 has 64 divisors (see below), whose sum is σ = 13370572800. Its totient is φ = 1499985648.

The previous prime is 5257306013. The next prime is 5257306039. The reversal of 5257306026 is 6206037525.

It is a happy number.

5257306026 is a `hidden beast` number, since 5 + 2 + 573 + 0 + 60 + 26 = 666.

It is an interprime number because it is at equal distance from previous prime (5257306013) and next prime (5257306039).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271495 + ... + 290213.

It is an arithmetic number, because the mean of its divisors is an integer number (208915200).

Almost surely, 2^5257306026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5257306026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6685286400).

5257306026 is an abundant number, since it is smaller than the sum of its proper divisors (8113266774).

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

5257306026 is a wasteful number, since it uses less digits than its factorization.

5257306026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19480 (or 19474 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 5257306026 is about 72507.2825721665. The cubic root of 5257306026 is about 1738.8191690975.

The spelling of 5257306026 in words is "five billion, two hundred fifty-seven million, three hundred six thousand, twenty-six".