2555440461 has 32 divisors (see below), whose sum is σ = 4514795520. Its totient is φ = 1396760112.

The previous prime is 2555440441. The next prime is 2555440499. The reversal of 2555440461 is 1640445552.

2555440461 is a `hidden beast` number, since 2 + 5 + 554 + 40 + 4 + 61 = 666.

It is not a de Polignac number, because 2555440461 - 2¹⁰ = 2555439437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555440411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289585 + ... + 298278.

It is an arithmetic number, because the mean of its divisors is an integer number (141087360).

Almost surely, 2^2555440461 is an apocalyptic number.

2555440461 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2555440461 is a deficient number, since it is larger than the sum of its proper divisors (1959355059).

2555440461 is a wasteful number, since it uses less digits than its factorization.

2555440461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587902 (or 587896 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The square root of 2555440461 is about 50551.3645809883. The cubic root of 2555440461 is about 1367.1681182343.

The spelling of 2555440461 in words is "two billion, five hundred fifty-five million, four hundred forty thousand, four hundred sixty-one".