10040321420 has 96 divisors (see below), whose sum is σ = 22415097600. Its totient is φ = 3771428864.

The previous prime is 10040321419. The next prime is 10040321429. The reversal of 10040321420 is 2412304001.

It is not an unprimeable number, because it can be changed into a prime (10040321429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4714916 + ... + 4717044.

It is an arithmetic number, because the mean of its divisors is an integer number (233490600).

Almost surely, 2^10040321420 is an apocalyptic number.

10040321420 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 10040321420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11207548800).

10040321420 is an abundant number, since it is smaller than the sum of its proper divisors (12374776180).

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

10040321420 is a wasteful number, since it uses less digits than its factorization.

10040321420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387 (or 2385 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 10040321420 its reverse (2412304001), we get a palindrome (12452625421).

The spelling of 10040321420 in words is "ten billion, forty million, three hundred twenty-one thousand, four hundred twenty".