2540121334 has 16 divisors (see below), whose sum is σ = 4209716448. Its totient is φ = 1143379072.

The previous prime is 2540121289. The next prime is 2540121379. The reversal of 2540121334 is 4331210452.

It is an interprime number because it is at equal distance from previous prime (2540121289) and next prime (2540121379).

It is a junction number, because it is equal to n+sod(n) for n = 2540121299 and 2540121308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1623337 + ... + 1624900.

It is an arithmetic number, because the mean of its divisors is an integer number (263107278).

Almost surely, 2^2540121334 is an apocalyptic number.

2540121334 is a deficient number, since it is larger than the sum of its proper divisors (1669595114).

2540121334 is a wasteful number, since it uses less digits than its factorization.

2540121334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248279.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2540121334 is about 50399.6164072704. The cubic root of 2540121334 is about 1364.4307150335.

Adding to 2540121334 its reverse (4331210452), we get a palindrome (6871331786).

The spelling of 2540121334 in words is "two billion, five hundred forty million, one hundred twenty-one thousand, three hundred thirty-four".