10240440020 has 24 divisors (see below), whose sum is σ = 21869416800. Its totient is φ = 4026748832.

The previous prime is 10240439921. The next prime is 10240440047. The reversal of 10240440020 is 2004404201.

It is a super-2 number, since 2×10240440020² (a number of 21 digits) contains 22 as substring.

It is a congruent 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, 4337990 + ... + 4340349.

It is an arithmetic number, because the mean of its divisors is an integer number (911225700).

Almost surely, 2^10240440020 is an apocalyptic number.

10240440020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10240440020 is an abundant number, since it is smaller than the sum of its proper divisors (11628976780).

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

10240440020 is a wasteful number, since it uses less digits than its factorization.

10240440020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8678407 (or 8678405 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 10240440020 its reverse (2004404201), we get a palindrome (12244844221).

The spelling of 10240440020 in words is "ten billion, two hundred forty million, four hundred forty thousand, twenty".