10115440620 has 24 divisors (see below), whose sum is σ = 28323233904. Its totient is φ = 2697450816.

The previous prime is 10115440607. The next prime is 10115440639. The reversal of 10115440620 is 2604451101.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84295279 + ... + 84295398.

It is an arithmetic number, because the mean of its divisors is an integer number (1180134746).

Almost surely, 2^10115440620 is an apocalyptic number.

10115440620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10115440620 is an abundant number, since it is smaller than the sum of its proper divisors (18207793284).

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

10115440620 is a wasteful number, since it uses less digits than its factorization.

10115440620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168590689 (or 168590687 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 10115440620 its reverse (2604451101), we get a palindrome (12719891721).

The spelling of 10115440620 in words is "ten billion, one hundred fifteen million, four hundred forty thousand, six hundred twenty".