3140428186878 has 32 divisors (see below), whose sum is σ = 6317570128896. Its totient is φ = 1040691219168.

The previous prime is 3140428186849. The next prime is 3140428186927. The reversal of 3140428186878 is 8786818240413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17497551 + ... + 17676117.

It is an arithmetic number, because the mean of its divisors is an integer number (197424066528).

Almost surely, 2^{3140428186878} is an apocalyptic number.

3140428186878 is an abundant number, since it is smaller than the sum of its proper divisors (3177141942018).

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

3140428186878 is a wasteful number, since it uses less digits than its factorization.

3140428186878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195688.

The product of its (nonzero) digits is 16515072, while the sum is 60.

The spelling of 3140428186878 in words is "three trillion, one hundred forty billion, four hundred twenty-eight million, one hundred eighty-six thousand, eight hundred seventy-eight".