3520142340 has 192 divisors, whose sum is σ = 11799551232. Its totient is φ = 772761600.

The previous prime is 3520142333. The next prime is 3520142359. The reversal of 3520142340 is 432410253.

It is a self number, because there is not a number n which added to its sum of digits gives 3520142340.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 450870 + ... + 458610.

It is an arithmetic number, because the mean of its divisors is an integer number (61455996).

Almost surely, 2^3520142340 is an apocalyptic number.

3520142340 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 3520142340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5899775616).

3520142340 is an abundant number, since it is smaller than the sum of its proper divisors (8279408892).

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

3520142340 is a wasteful number, since it uses less digits than its factorization.

3520142340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7830 (or 7828 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 3520142340 is about 59330.7874547439. The cubic root of 3520142340 is about 1521.2014882802.

Adding to 3520142340 its reverse (432410253), we get a palindrome (3952552593).

The spelling of 3520142340 in words is "three billion, five hundred twenty million, one hundred forty-two thousand, three hundred forty".