2540034551 has 4 divisors (see below), whose sum is σ = 2673720600. Its totient is φ = 2406348504.

The previous prime is 2540034517. The next prime is 2540034559. The reversal of 2540034551 is 1554300452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2540034551 - 2¹⁸ = 2539772407 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 (2540034559) 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, 66842996 + ... + 66843033.

It is an arithmetic number, because the mean of its divisors is an integer number (668430150).

Almost surely, 2^2540034551 is an apocalyptic number.

2540034551 is a deficient number, since it is larger than the sum of its proper divisors (133686049).

2540034551 is a wasteful number, since it uses less digits than its factorization.

2540034551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133686048.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2540034551 is about 50398.7554509037. The cubic root of 2540034551 is about 1364.4151763087.

The spelling of 2540034551 in words is "two billion, five hundred forty million, thirty-four thousand, five hundred fifty-one".