3185850145340 has 24 divisors (see below), whose sum is σ = 6690485732112. Its totient is φ = 1274301881600.

The previous prime is 3185850145279. The next prime is 3185850145367. The reversal of 3185850145340 is 435410585813.

It is a super-2 number, since 2×3185850145340² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1696886 + ... + 3041565.

It is an arithmetic number, because the mean of its divisors is an integer number (278770238838).

Almost surely, 2^{3185850145340} is an apocalyptic number.

It is an amenable number.

3185850145340 is an abundant number, since it is smaller than the sum of its proper divisors (3504635586772).

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

3185850145340 is a wasteful number, since it uses less digits than its factorization.

3185850145340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772077 (or 4772075 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 47.

The spelling of 3185850145340 in words is "three trillion, one hundred eighty-five billion, eight hundred fifty million, one hundred forty-five thousand, three hundred forty".