3451800380 has 24 divisors (see below), whose sum is σ = 8284321248. Its totient is φ = 1183474368.

The previous prime is 3451800349. The next prime is 3451800389. The reversal of 3451800380 is 830081543.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3451800389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12327719 + ... + 12327998.

It is an arithmetic number, because the mean of its divisors is an integer number (345180052).

Almost surely, 2^3451800380 is an apocalyptic number.

It is an amenable number.

3451800380 is an abundant number, since it is smaller than the sum of its proper divisors (4832520868).

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

3451800380 is a wasteful number, since it uses less digits than its factorization.

3451800380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24655733 (or 24655731 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 3451800380 is about 58752.0244757574. The cubic root of 3451800380 is about 1511.2926054392.

The spelling of 3451800380 in words is "three billion, four hundred fifty-one million, eight hundred thousand, three hundred eighty".