3520140330 has 32 divisors (see below), whose sum is σ = 9655242624. Its totient is φ = 804603456.

The previous prime is 3520140301. The next prime is 3520140353. The reversal of 3520140330 is 330410253.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 3520140297 and 3520140306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8381077 + ... + 8381496.

It is an arithmetic number, because the mean of its divisors is an integer number (301726332).

Almost surely, 2^3520140330 is an apocalyptic number.

3520140330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3520140330 is an abundant number, since it is smaller than the sum of its proper divisors (6135102294).

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

3520140330 is a wasteful number, since it uses less digits than its factorization.

3520140330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16762590.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 3520140330 is about 59330.7705158125. The cubic root of 3520140330 is about 1521.2011987450.

Adding to 3520140330 its reverse (330410253), we get a palindrome (3850550583).

The spelling of 3520140330 in words is "three billion, five hundred twenty million, one hundred forty thousand, three hundred thirty".