2140784378140 has 24 divisors (see below), whose sum is σ = 4497169718160. Its totient is φ = 856023746688.

The previous prime is 2140784378123. The next prime is 2140784378167. The reversal of 2140784378140 is 418734870412.

It is a super-3 number, since 3×2140784378140³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18064750 + ... + 18182869.

It is an arithmetic number, because the mean of its divisors is an integer number (187382071590).

Almost surely, 2^{2140784378140} is an apocalyptic number.

2140784378140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140784378140 is an abundant number, since it is smaller than the sum of its proper divisors (2356385340020).

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

2140784378140 is a wasteful number, since it uses less digits than its factorization.

2140784378140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36250581 (or 36250579 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 49.

The spelling of 2140784378140 in words is "two trillion, one hundred forty billion, seven hundred eighty-four million, three hundred seventy-eight thousand, one hundred forty".