10040324420 has 72 divisors (see below), whose sum is σ = 24872702400. Its totient is φ = 3393888960.

The previous prime is 10040324383. The next prime is 10040324447. The reversal of 10040324420 is 2442304001.

It is a super-2 number, since 2×10040324420² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10040324392 and 10040324401.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2570 + ... + 141729.

It is an arithmetic number, because the mean of its divisors is an integer number (345454200).

Almost surely, 2^10040324420 is an apocalyptic number.

10040324420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10040324420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12436351200).

10040324420 is an abundant number, since it is smaller than the sum of its proper divisors (14832377980).

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

10040324420 is a wasteful number, since it uses less digits than its factorization.

10040324420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144393 (or 144384 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 10040324420 its reverse (2442304001), we get a palindrome (12482628421).

The spelling of 10040324420 in words is "ten billion, forty million, three hundred twenty-four thousand, four hundred twenty".