3546840220 has 96 divisors (see below), whose sum is σ = 9832596480. Its totient is φ = 1040471040.

The previous prime is 3546840197. The next prime is 3546840221. The reversal of 3546840220 is 220486453.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3546840221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41560 + ... + 93919.

It is an arithmetic number, because the mean of its divisors is an integer number (102422880).

Almost surely, 2^3546840220 is an apocalyptic number.

It is an amenable number.

3546840220 is an abundant number, since it is smaller than the sum of its proper divisors (6285756260).

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

3546840220 is a wasteful number, since it uses less digits than its factorization.

3546840220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135523 (or 135521 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 3546840220 is about 59555.3542513182. The cubic root of 3546840220 is about 1525.0375653203.

The spelling of 3546840220 in words is "three billion, five hundred forty-six million, eight hundred forty thousand, two hundred twenty".