2140311032140 has 96 divisors (see below), whose sum is σ = 4749619392000. Its totient is φ = 807915451392.

The previous prime is 2140311032081. The next prime is 2140311032173. The reversal of 2140311032140 is 412301130412.

It is a super-2 number, since 2×2140311032140² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120823924 + ... + 120841636.

It is an arithmetic number, because the mean of its divisors is an integer number (49475202000).

Almost surely, 2^{2140311032140} is an apocalyptic number.

2140311032140 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 2140311032140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2374809696000).

2140311032140 is an abundant number, since it is smaller than the sum of its proper divisors (2609308359860).

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

2140311032140 is a wasteful number, since it uses less digits than its factorization.

2140311032140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18959 (or 18957 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2140311032140 its reverse (412301130412), we get a palindrome (2552612162552).

The spelling of 2140311032140 in words is "two trillion, one hundred forty billion, three hundred eleven million, thirty-two thousand, one hundred forty".