10261171240 has 32 divisors (see below), whose sum is σ = 24091447680. Its totient is φ = 3926012992.

The previous prime is 10261171231. The next prime is 10261171247. The reversal of 10261171240 is 4217116201.

It is not an unprimeable number, because it can be changed into a prime (10261171247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5575804 + ... + 5577643.

It is an arithmetic number, because the mean of its divisors is an integer number (752857740).

Almost surely, 2^10261171240 is an apocalyptic number.

10261171240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10261171240 is an abundant number, since it is smaller than the sum of its proper divisors (13830276440).

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

10261171240 is a wasteful number, since it uses less digits than its factorization.

10261171240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11153481 (or 11153477 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

Adding to 10261171240 its reverse (4217116201), we get a palindrome (14478287441).

The spelling of 10261171240 in words is "ten billion, two hundred sixty-one million, one hundred seventy-one thousand, two hundred forty".