3505455220 has 48 divisors (see below), whose sum is σ = 7401679488. Its totient is φ = 1394547840.

The previous prime is 3505455197. The next prime is 3505455257. The reversal of 3505455220 is 225545053.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4781974 + ... + 4782706.

It is an arithmetic number, because the mean of its divisors is an integer number (154201656).

Almost surely, 2^3505455220 is an apocalyptic number.

It is an amenable number.

3505455220 is an abundant number, since it is smaller than the sum of its proper divisors (3896224268).

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

3505455220 is a wasteful number, since it uses less digits than its factorization.

3505455220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720 (or 1718 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 3505455220 is about 59206.8849037002. The cubic root of 3505455220 is about 1519.0828984112.

The spelling of 3505455220 in words is "three billion, five hundred five million, four hundred fifty-five thousand, two hundred twenty".