2555335106440 has 64 divisors (see below), whose sum is σ = 5770741968000. Its totient is φ = 1018359390720.

The previous prime is 2555335106411. The next prime is 2555335106473. The reversal of 2555335106440 is 446015335552.

It is a super-2 number, since 2×2555335106440² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142278181 + ... + 142296139.

It is an arithmetic number, because the mean of its divisors is an integer number (90167843250).

Almost surely, 2^{2555335106440} is an apocalyptic number.

2555335106440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555335106440 is an abundant number, since it is smaller than the sum of its proper divisors (3215406861560).

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

2555335106440 is a wasteful number, since it uses less digits than its factorization.

2555335106440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30910 (or 30906 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 2555335106440 in words is "two trillion, five hundred fifty-five billion, three hundred thirty-five million, one hundred six thousand, four hundred forty".