2120040354 has 16 divisors (see below), whose sum is σ = 4244371200. Its totient is φ = 705965040.

The previous prime is 2120040353. The next prime is 2120040359. The reversal of 2120040354 is 4530400212.

It is a super-3 number, since 3×2120040354³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2120040354.

It is not an unprimeable number, because it can be changed into a prime (2120040353) 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, 172329 + ... + 184220.

It is an arithmetic number, because the mean of its divisors is an integer number (265273200).

Almost surely, 2^2120040354 is an apocalyptic number.

2120040354 is an abundant number, since it is smaller than the sum of its proper divisors (2124330846).

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

2120040354 is a wasteful number, since it uses less digits than its factorization.

2120040354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357545.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2120040354 is about 46043.8959472371. The cubic root of 2120040354 is about 1284.6398086082.

Adding to 2120040354 its reverse (4530400212), we get a palindrome (6650440566).

The spelling of 2120040354 in words is "two billion, one hundred twenty million, forty thousand, three hundred fifty-four".