3454281820 has 48 divisors (see below), whose sum is σ = 7919710848. Its totient is φ = 1255108160.

The previous prime is 3454281797. The next prime is 3454281821. The reversal of 3454281820 is 281824543.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3454281820.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3454281821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308439 + ... + 319441.

It is an arithmetic number, because the mean of its divisors is an integer number (164993976).

Almost surely, 2^3454281820 is an apocalyptic number.

It is an amenable number.

3454281820 is an abundant number, since it is smaller than the sum of its proper divisors (4465429028).

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

3454281820 is a wasteful number, since it uses less digits than its factorization.

3454281820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12450 (or 12448 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 3454281820 is about 58773.1385923876. The cubic root of 3454281820 is about 1511.6546661246.

The spelling of 3454281820 in words is "three billion, four hundred fifty-four million, two hundred eighty-one thousand, eight hundred twenty".