10105515040 has 24 divisors (see below), whose sum is σ = 23874279660. Its totient is φ = 4042205952.

The previous prime is 10105515001. The next prime is 10105515089. The reversal of 10105515040 is 4051550101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9661317264 + 444197776 = 98292^2 + 21076^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31579575 + ... + 31579894.

Almost surely, 2^10105515040 is an apocalyptic number.

10105515040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10105515040 is an abundant number, since it is smaller than the sum of its proper divisors (13768764620).

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

10105515040 is an equidigital number, since it uses as much as digits as its factorization.

10105515040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63159484 (or 63159476 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

The spelling of 10105515040 in words is "ten billion, one hundred five million, five hundred fifteen thousand, forty".