2557355320140 has 24 divisors (see below), whose sum is σ = 7160594896560. Its totient is φ = 681961418688.

The previous prime is 2557355320133. The next prime is 2557355320141. The reversal of 2557355320140 is 410235537552.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2557355320092 and 2557355320101.

It is not an unprimeable number, because it can be changed into a prime (2557355320141) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21311294275 + ... + 21311294394.

It is an arithmetic number, because the mean of its divisors is an integer number (298358120690).

Almost surely, 2^{2557355320140} is an apocalyptic number.

2557355320140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2557355320140 is an abundant number, since it is smaller than the sum of its proper divisors (4603239576420).

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

2557355320140 is a wasteful number, since it uses less digits than its factorization.

2557355320140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42622588681 (or 42622588679 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 42.

The spelling of 2557355320140 in words is "two trillion, five hundred fifty-seven billion, three hundred fifty-five million, three hundred twenty thousand, one hundred forty".