2645426455 has 24 divisors (see below), whose sum is σ = 3719414160. Its totient is φ = 1800933120.

The previous prime is 2645426453. The next prime is 2645426503. The reversal of 2645426455 is 5546245462.

It is a happy number.

It is not a de Polignac number, because 2645426455 - 2¹ = 2645426453 is a prime.

It is a super-2 number, since 2×2645426455² = 13996562257627734050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645426453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4786 + ... + 72895.

It is an arithmetic number, because the mean of its divisors is an integer number (154975590).

Almost surely, 2^2645426455 is an apocalyptic number.

2645426455 is a deficient number, since it is larger than the sum of its proper divisors (1073987705).

2645426455 is a wasteful number, since it uses less digits than its factorization.

2645426455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77839 (or 77832 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 43.

The square root of 2645426455 is about 51433.7093256942. The cubic root of 2645426455 is about 1383.0309449205.

The spelling of 2645426455 in words is "two billion, six hundred forty-five million, four hundred twenty-six thousand, four hundred fifty-five".