2455856361 has 32 divisors (see below), whose sum is σ = 4246548480. Its totient is φ = 1373483088.

The previous prime is 2455856357. The next prime is 2455856371. The reversal of 2455856361 is 1636585542.

2455856361 is a `hidden beast` number, since 2 + 4 + 5 + 5 + 8 + 5 + 636 + 1 = 666.

It is not a de Polignac number, because 2455856361 - 2² = 2455856357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2455856371) 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, 129351 + ... + 147116.

It is an arithmetic number, because the mean of its divisors is an integer number (132704640).

Almost surely, 2^2455856361 is an apocalyptic number.

2455856361 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2455856361 is a deficient number, since it is larger than the sum of its proper divisors (1790692119).

2455856361 is a wasteful number, since it uses less digits than its factorization.

2455856361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276530 (or 276524 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 2455856361 is about 49556.5975526973. The cubic root of 2455856361 is about 1349.1730392164.

The spelling of 2455856361 in words is "two billion, four hundred fifty-five million, eight hundred fifty-six thousand, three hundred sixty-one".