2540044141 has 16 divisors (see below), whose sum is σ = 2649544560. Its totient is φ = 2432102400.

The previous prime is 2540044121. The next prime is 2540044147. The reversal of 2540044141 is 1414400452.

It can be written as a sum of positive squares in 8 ways, for example, as 1488339241 + 1051704900 = 38579^2 + 32430^2 .

It is not a de Polignac number, because 2540044141 - 2⁵ = 2540044109 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 (2540044147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2114341 + ... + 2115541.

It is an arithmetic number, because the mean of its divisors is an integer number (165596535).

Almost surely, 2^2540044141 is an apocalyptic number.

It is an amenable number.

2540044141 is a deficient number, since it is larger than the sum of its proper divisors (109500419).

2540044141 is a wasteful number, since it uses less digits than its factorization.

2540044141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2540044141 is about 50398.8505920522. The cubic root of 2540044141 is about 1364.4168934408.

Adding to 2540044141 its reverse (1414400452), we get a palindrome (3954444593).

The spelling of 2540044141 in words is "two billion, five hundred forty million, forty-four thousand, one hundred forty-one".