2140605141440 has 56 divisors (see below), whose sum is σ = 5128587995280. Its totient is φ = 850989017088.

The previous prime is 2140605141401. The next prime is 2140605141461. The reversal of 2140605141440 is 441415060412.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 2140605141397 and 2140605141406.

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, 20467445 + ... + 20571764.

Almost surely, 2^{2140605141440} is an apocalyptic number.

2140605141440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2140605141440 is an abundant number, since it is smaller than the sum of its proper divisors (2987982853840).

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

2140605141440 is a wasteful number, since it uses less digits than its factorization.

2140605141440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41039389 (or 41039379 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 2140605141440 in words is "two trillion, one hundred forty billion, six hundred five million, one hundred forty-one thousand, four hundred forty".