2093854145640 has 128 divisors (see below), whose sum is σ = 6652474168320. Its totient is φ = 525405081600.

The previous prime is 2093854145633. The next prime is 2093854145653. The reversal of 2093854145640 is 465414583902.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9749010 + ... + 9961470.

It is an arithmetic number, because the mean of its divisors is an integer number (51972454440).

Almost surely, 2^{2093854145640} is an apocalyptic number.

2093854145640 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 2093854145640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3326237084160).

2093854145640 is an abundant number, since it is smaller than the sum of its proper divisors (4558620022680).

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

2093854145640 is a wasteful number, since it uses less digits than its factorization.

2093854145640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217323 (or 217319 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 51.

The spelling of 2093854145640 in words is "two trillion, ninety-three billion, eight hundred fifty-four million, one hundred forty-five thousand, six hundred forty".