2555415543040 has 36 divisors (see below), whose sum is σ = 6121018796004. Its totient is φ = 1022166216704.

The previous prime is 2555415543017. The next prime is 2555415543101. The reversal of 2555415543040 is 403455145552.

It can be written as a sum of positive squares in 2 ways, for example, as 666352220416 + 1889063322624 = 816304^2 + 1374432^2 .

It is a super-2 number, since 2×2555415543040² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998207917 + ... + 998210476.

It is an arithmetic number, because the mean of its divisors is an integer number (170028299889).

Almost surely, 2^{2555415543040} is an apocalyptic number.

2555415543040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555415543040 is an abundant number, since it is smaller than the sum of its proper divisors (3565603252964).

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

2555415543040 is an equidigital number, since it uses as much as digits as its factorization.

2555415543040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996418414 (or 1996418400 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 43.

The spelling of 2555415543040 in words is "two trillion, five hundred fifty-five billion, four hundred fifteen million, five hundred forty-three thousand, forty".