2555402255320 has 16 divisors (see below), whose sum is σ = 5749655074560. Its totient is φ = 1022160902112.

The previous prime is 2555402255281. The next prime is 2555402255333. The reversal of 2555402255320 is 235522045552.

It is a super-4 number, since 4×2555402255320⁴ (a number of 51 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 63885056383 = 2555402255320 / (2 + 5 + 5 + 5 + 4 + 0 + 2 + 2 + 5 + 5 + 3 + 2 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31942528152 + ... + 31942528231.

It is an arithmetic number, because the mean of its divisors is an integer number (359353442160).

Almost surely, 2^{2555402255320} is an apocalyptic number.

2555402255320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555402255320 is an abundant number, since it is smaller than the sum of its proper divisors (3194252819240).

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

2555402255320 is a wasteful number, since it uses less digits than its factorization.

2555402255320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63885056394 (or 63885056390 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 40.

The spelling of 2555402255320 in words is "two trillion, five hundred fifty-five billion, four hundred two million, two hundred fifty-five thousand, three hundred twenty".