2556140954 has 16 divisors (see below), whose sum is σ = 3857438376. Its totient is φ = 1270348800.

The previous prime is 2556140933. The next prime is 2556140963. The reversal of 2556140954 is 4590416552.

It can be written as a sum of positive squares in 4 ways, for example, as 1897038025 + 659102929 = 43555^2 + 25673^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 263714 + ... + 273234.

Almost surely, 2^2556140954 is an apocalyptic number.

2556140954 is a deficient number, since it is larger than the sum of its proper divisors (1301297422).

2556140954 is a wasteful number, since it uses less digits than its factorization.

2556140954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10321.

The product of its (nonzero) digits is 216000, while the sum is 41.

The square root of 2556140954 is about 50558.2926333554. The cubic root of 2556140954 is about 1367.2930287560.

The spelling of 2556140954 in words is "two billion, five hundred fifty-six million, one hundred forty thousand, nine hundred fifty-four".