10257263488 has 16 divisors (see below), whose sum is σ = 20434392360. Its totient is φ = 5128631680.

The previous prime is 10257263483. The next prime is 10257263491. The reversal of 10257263488 is 88436275201.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×10257263488² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10257263483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40067308 + ... + 40067563.

Almost surely, 2^10257263488 is an apocalyptic number.

It is an amenable number.

10257263488 is a deficient number, since it is larger than the sum of its proper divisors (10177128872).

10257263488 is an frugal number, since it uses more digits than its factorization.

10257263488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80134885 (or 80134873 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 10257263488 in words is "ten billion, two hundred fifty-seven million, two hundred sixty-three thousand, four hundred eighty-eight".