3458218720 has 72 divisors (see below), whose sum is σ = 8980344072. Its totient is φ = 1257527040.

The previous prime is 3458218691. The next prime is 3458218739. The reversal of 3458218720 is 278128543.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 69954 + ... + 108673.

It is an arithmetic number, because the mean of its divisors is an integer number (124727001).

Almost surely, 2^3458218720 is an apocalyptic number.

It is an amenable number.

3458218720 is an abundant number, since it is smaller than the sum of its proper divisors (5522125352).

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

3458218720 is a wasteful number, since it uses less digits than its factorization.

3458218720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178664 (or 178645 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 3458218720 is about 58806.6213958938. The cubic root of 3458218720 is about 1512.2287337206.

3458218720 divided by its sum of digits (40) gives a palindrome (86455468).

The spelling of 3458218720 in words is "three billion, four hundred fifty-eight million, two hundred eighteen thousand, seven hundred twenty".