2541402678 has 8 divisors (see below), whose sum is σ = 5082805368. Its totient is φ = 847134224.

The previous prime is 2541402623. The next prime is 2541402707. The reversal of 2541402678 is 8762041452.

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

2541402678 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 211783551 + ... + 211783562.

It is an arithmetic number, because the mean of its divisors is an integer number (635350671).

Almost surely, 2^2541402678 is an apocalyptic number.

2541402678 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.

2541402678 is a wasteful number, since it uses less digits than its factorization.

2541402678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423567118.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 2541402678 is about 50412.3266473588. The cubic root of 2541402678 is about 1364.6601018737.

The spelling of 2541402678 in words is "two billion, five hundred forty-one million, four hundred two thousand, six hundred seventy-eight".