2540918274 has 8 divisors (see below), whose sum is σ = 5081836560. Its totient is φ = 846972756.

The previous prime is 2540918273. The next prime is 2540918291. The reversal of 2540918274 is 4728190452.

It is a sphenic number, since it is the product of 3 distinct primes.

2540918274 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2540918273) 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, 211743184 + ... + 211743195.

It is an arithmetic number, because the mean of its divisors is an integer number (635229570).

Almost surely, 2^2540918274 is an apocalyptic number.

2540918274 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2540918274 is a wasteful number, since it uses less digits than its factorization.

2540918274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423486384.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 2540918274 is about 50407.5219982098. The cubic root of 2540918274 is about 1364.5733926951.

The spelling of 2540918274 in words is "two billion, five hundred forty million, nine hundred eighteen thousand, two hundred seventy-four".