10021454141540 has 24 divisors (see below), whose sum is σ = 21085447296312. Its totient is φ = 4000887637760.

The previous prime is 10021454141483. The next prime is 10021454141549. The reversal of 10021454141540 is 4514145412001.

It can be written as a sum of positive squares in 4 ways, for example, as 67378661476 + 9954075480064 = 259574^2 + 3155008^2 .

It is a super-2 number, since 2×10021454141540² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10021454141497 and 10021454141506.

It is not an unprimeable number, because it can be changed into a prime (10021454141549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480865499 + ... + 480886338.

It is an arithmetic number, because the mean of its divisors is an integer number (878560304013).

Almost surely, 2^{10021454141540} is an apocalyptic number.

10021454141540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021454141540 is an abundant number, since it is smaller than the sum of its proper divisors (11063993154772).

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

10021454141540 is a wasteful number, since it uses less digits than its factorization.

10021454141540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961752367 (or 961752365 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

Adding to 10021454141540 its reverse (4514145412001), we get a palindrome (14535599553541).

The spelling of 10021454141540 in words is "ten trillion, twenty-one billion, four hundred fifty-four million, one hundred forty-one thousand, five hundred forty".