2557345346140 has 48 divisors (see below), whose sum is σ = 5799919019328. Its totient is φ = 941575624704.

The previous prime is 2557345346107. The next prime is 2557345346147. The reversal of 2557345346140 is 416435437552.

2557345346140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2557345346147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13840152 + ... + 14023711.

It is an arithmetic number, because the mean of its divisors is an integer number (120831646236).

Almost surely, 2^{2557345346140} is an apocalyptic number.

2557345346140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2557345346140 is an abundant number, since it is smaller than the sum of its proper divisors (3242573673188).

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

2557345346140 is a wasteful number, since it uses less digits than its factorization.

2557345346140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27864238 (or 27864236 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 49.

The spelling of 2557345346140 in words is "two trillion, five hundred fifty-seven billion, three hundred forty-five million, three hundred forty-six thousand, one hundred forty".