3143540340 has 144 divisors (see below), whose sum is σ = 10008992448. Its totient is φ = 828071424.

The previous prime is 3143540297. The next prime is 3143540369. The reversal of 3143540340 is 430453413.

3143540340 is a `hidden beast` number, since 314 + 3 + 5 + 4 + 0 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 399484 + ... + 407276.

It is an arithmetic number, because the mean of its divisors is an integer number (69506892).

Almost surely, 2^3143540340 is an apocalyptic number.

3143540340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3143540340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5004496224).

3143540340 is an abundant number, since it is smaller than the sum of its proper divisors (6865452108).

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

3143540340 is a wasteful number, since it uses less digits than its factorization.

3143540340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7900 (or 7886 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 3143540340 is about 56067.2840433706. The cubic root of 3143540340 is about 1464.8944916580.

Adding to 3143540340 its reverse (430453413), we get a palindrome (3573993753).

The spelling of 3143540340 in words is "three billion, one hundred forty-three million, five hundred forty thousand, three hundred forty".