3255387278540 has 12 divisors (see below), whose sum is σ = 6836313284976. Its totient is φ = 1302154911408.

The previous prime is 3255387278537. The next prime is 3255387278551. The reversal of 3255387278540 is 458727835523.

It is a self number, because there is not a number n which added to its sum of digits gives 3255387278540.

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, 81384681944 + ... + 81384681983.

It is an arithmetic number, because the mean of its divisors is an integer number (569692773748).

Almost surely, 2^{3255387278540} is an apocalyptic number.

It is an amenable number.

3255387278540 is an abundant number, since it is smaller than the sum of its proper divisors (3580926006436).

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

3255387278540 is a wasteful number, since it uses less digits than its factorization.

3255387278540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162769363936 (or 162769363934 counting only the distinct ones).

The product of its (nonzero) digits is 56448000, while the sum is 59.

The spelling of 3255387278540 in words is "three trillion, two hundred fifty-five billion, three hundred eighty-seven million, two hundred seventy-eight thousand, five hundred forty".