10263569940 has 120 divisors (see below), whose sum is σ = 34673977800. Its totient is φ = 2526412032.

The previous prime is 10263569917. The next prime is 10263569947. The reversal of 10263569940 is 4996536201.

10263569940 is a `hidden beast` number, since 1 + 0 + 2 + 635 + 6 + 9 + 9 + 4 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 593994384 + 9669575556 = 24372^2 + 98334^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10263569947) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 222615 + ... + 264734.

It is an arithmetic number, because the mean of its divisors is an integer number (288949815).

Almost surely, 2^10263569940 is an apocalyptic number.

10263569940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10263569940 is an abundant number, since it is smaller than the sum of its proper divisors (24410407860).

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

10263569940 is a wasteful number, since it uses less digits than its factorization.

10263569940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487383 (or 487372 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 10263569940 in words is "ten billion, two hundred sixty-three million, five hundred sixty-nine thousand, nine hundred forty".