2040041551 has 4 divisors (see below), whose sum is σ = 2089798704. Its totient is φ = 1990284400.

The previous prime is 2040041543. The next prime is 2040041573. The reversal of 2040041551 is 1551400402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1551400402 = 2 ⋅775700201.

It is a cyclic number.

It is not a de Polignac number, because 2040041551 - 2³ = 2040041543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040041351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24878515 + ... + 24878596.

It is an arithmetic number, because the mean of its divisors is an integer number (522449676).

Almost surely, 2^2040041551 is an apocalyptic number.

2040041551 is a deficient number, since it is larger than the sum of its proper divisors (49757153).

2040041551 is an equidigital number, since it uses as much as digits as its factorization.

2040041551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49757152.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2040041551 is about 45166.8191375040. The cubic root of 2040041551 is about 1268.2737517514.

Adding to 2040041551 its reverse (1551400402), we get a palindrome (3591441953).

The spelling of 2040041551 in words is "two billion, forty million, forty-one thousand, five hundred fifty-one".