3720822480 has 100 divisors (see below), whose sum is σ = 12922990212. Its totient is φ = 992217600.

The previous prime is 3720822451. The next prime is 3720822481. The reversal of 3720822480 is 842280273.

It can be written as a sum of positive squares in 2 ways, for example, as 1417974336 + 2302848144 = 37656^2 + 47988^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3720822481) 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 19 ways as a sum of consecutive naturals, for example, 280621 + ... + 293580.

Almost surely, 2^3720822480 is an apocalyptic number.

3720822480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3720822480 is an abundant number, since it is smaller than the sum of its proper divisors (9202167732).

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

3720822480 is a wasteful number, since it uses less digits than its factorization.

3720822480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574226 (or 574211 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 3720822480 is about 60998.5449006778. The cubic root of 3720822480 is about 1549.5763642807.

The spelling of 3720822480 in words is "three billion, seven hundred twenty million, eight hundred twenty-two thousand, four hundred eighty".