3505121328 has 40 divisors (see below), whose sum is σ = 9069102576. Its totient is φ = 1166540800.

The previous prime is 3505121327. The next prime is 3505121329. The reversal of 3505121328 is 8231215053.

It is an interprime number because it is at equal distance from previous prime (3505121327) and next prime (3505121329).

It is a junction number, because it is equal to n+sod(n) for n = 3505121295 and 3505121304.

It is not an unprimeable number, because it can be changed into a prime (3505121327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26193 + ... + 87728.

Almost surely, 2^3505121328 is an apocalyptic number.

It is an amenable number.

3505121328 is an abundant number, since it is smaller than the sum of its proper divisors (5563981248).

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

3505121328 is a wasteful number, since it uses less digits than its factorization.

3505121328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114573 (or 114567 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 3505121328 is about 59204.0651306986. The cubic root of 3505121328 is about 1519.0346663748.

The spelling of 3505121328 in words is "three billion, five hundred five million, one hundred twenty-one thousand, three hundred twenty-eight".