2105500440354 has 16 divisors (see below), whose sum is σ = 4211021846592. Its totient is φ = 701829985808.

The previous prime is 2105500440353. The next prime is 2105500440367. The reversal of 2105500440354 is 4530440055012.

It is not an unprimeable number, because it can be changed into a prime (2105500440353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631387 + ... + 2147009.

It is an arithmetic number, because the mean of its divisors is an integer number (263188865412).

Almost surely, 2^{2105500440354} is an apocalyptic number.

2105500440354 is an abundant number, since it is smaller than the sum of its proper divisors (2105521406238).

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

2105500440354 is a wasteful number, since it uses less digits than its factorization.

2105500440354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747161.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 2105500440354 its reverse (4530440055012), we get a palindrome (6635940495366).

The spelling of 2105500440354 in words is "two trillion, one hundred five billion, five hundred million, four hundred forty thousand, three hundred fifty-four".