2506454678 has 32 divisors (see below), whose sum is σ = 4637122560. Its totient is φ = 989460000.

The previous prime is 2506454677. The next prime is 2506454701. The reversal of 2506454678 is 8764546052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506454677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72803 + ... + 101553.

It is an arithmetic number, because the mean of its divisors is an integer number (144910080).

Almost surely, 2^2506454678 is an apocalyptic number.

2506454678 is a deficient number, since it is larger than the sum of its proper divisors (2130667882).

2506454678 is a wasteful number, since it uses less digits than its factorization.

2506454678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29252.

The product of its (nonzero) digits is 1612800, while the sum is 47.

The square root of 2506454678 is about 50064.5051708294. The cubic root of 2506454678 is about 1358.3758506002.

The spelling of 2506454678 in words is "two billion, five hundred six million, four hundred fifty-four thousand, six hundred seventy-eight".