2540006354 has 8 divisors (see below), whose sum is σ = 3941389260. Its totient is φ = 1226209936.

The previous prime is 2540006347. The next prime is 2540006369. The reversal of 2540006354 is 4536000452.

It can be written as a sum of positive squares in 2 ways, for example, as 2437693129 + 102313225 = 49373^2 + 10115^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21896549 + ... + 21896664.

Almost surely, 2^2540006354 is an apocalyptic number.

2540006354 is a deficient number, since it is larger than the sum of its proper divisors (1401382906).

2540006354 is a wasteful number, since it uses less digits than its factorization.

2540006354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43793244.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2540006354 is about 50398.4757110768. The cubic root of 2540006354 is about 1364.4101274854.

The spelling of 2540006354 in words is "two billion, five hundred forty million, six thousand, three hundred fifty-four".