2140421145000 has 160 divisors (see below), whose sum is σ = 6721330735680. Its totient is φ = 567820800000.

The previous prime is 2140421144989. The next prime is 2140421145001. The reversal of 2140421145000 is 5411240412.

It is a super-2 number, since 2×2140421145000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2140421145001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2525325 + ... + 3264675.

It is an arithmetic number, because the mean of its divisors is an integer number (42008317098).

Almost surely, 2^{2140421145000} is an apocalyptic number.

2140421145000 is a gapful number since it is divisible by the number (20) 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 2140421145000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3360665367840).

2140421145000 is an abundant number, since it is smaller than the sum of its proper divisors (4580909590680).

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

2140421145000 is a wasteful number, since it uses less digits than its factorization.

2140421145000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739573 (or 739554 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 2140421145000 its reverse (5411240412), we get a palindrome (2145832385412).

The spelling of 2140421145000 in words is "two trillion, one hundred forty billion, four hundred twenty-one million, one hundred forty-five thousand".