3622979280 has 160 divisors (see below), whose sum is σ = 12230467200. Its totient is φ = 883685376.

The previous prime is 3622979279. The next prime is 3622979291. The reversal of 3622979280 is 829792263.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

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, 118542 + ... + 145938.

It is an arithmetic number, because the mean of its divisors is an integer number (76440420).

Almost surely, 2^3622979280 is an apocalyptic number.

3622979280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3622979280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6115233600).

3622979280 is an abundant number, since it is smaller than the sum of its proper divisors (8607487920).

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

3622979280 is a wasteful number, since it uses less digits than its factorization.

3622979280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27461 (or 27455 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 3622979280 is about 60191.1893884811. The cubic root of 3622979280 is about 1535.8729210730.

The spelling of 3622979280 in words is "three billion, six hundred twenty-two million, nine hundred seventy-nine thousand, two hundred eighty".