2655276440 has 32 divisors (see below), whose sum is σ = 6120092160. Its totient is φ = 1036204800.

The previous prime is 2655276419. The next prime is 2655276443. The reversal of 2655276440 is 446725562.

It is a super-3 number, since 3×2655276440³ (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655276443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807896 + ... + 811175.

It is an arithmetic number, because the mean of its divisors is an integer number (191252880).

Almost surely, 2^2655276440 is an apocalyptic number.

2655276440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2655276440 is an abundant number, since it is smaller than the sum of its proper divisors (3464815720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2655276440 is a wasteful number, since it uses less digits than its factorization.

2655276440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619123 (or 1619119 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 41.

The square root of 2655276440 is about 51529.3745353075. The cubic root of 2655276440 is about 1384.7453454051.

The spelling of 2655276440 in words is "two billion, six hundred fifty-five million, two hundred seventy-six thousand, four hundred forty".