3669519880 has 128 divisors (see below), whose sum is σ = 9076082400. Its totient is φ = 1327104000.

The previous prime is 3669519827. The next prime is 3669519907. The reversal of 3669519880 is 889159663.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 1722416004 + 1947103876 = 41502^2 + 44126^2 .

It is a super-2 number, since 2×3669519880² = 26930752299430428800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5724360 + ... + 5725000.

Almost surely, 2^3669519880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3669519880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4538041200).

3669519880 is an abundant number, since it is smaller than the sum of its proper divisors (5406562520).

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

3669519880 is a wasteful number, since it uses less digits than its factorization.

3669519880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 55.

The square root of 3669519880 is about 60576.5621342116. The cubic root of 3669519880 is about 1542.4215402794.

The spelling of 3669519880 in words is "three billion, six hundred sixty-nine million, five hundred nineteen thousand, eight hundred eighty".