3669481680 has 40 divisors (see below), whose sum is σ = 11375393952. Its totient is φ = 978528384.

The previous prime is 3669481649. The next prime is 3669481681. The reversal of 3669481680 is 861849663.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3669481681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7644514 + ... + 7644993.

Almost surely, 2^3669481680 is an apocalyptic number.

3669481680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3669481680 is an abundant number, since it is smaller than the sum of its proper divisors (7705912272).

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

3669481680 is a wasteful number, since it uses less digits than its factorization.

3669481680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15289523 (or 15289517 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 3669481680 is about 60576.2468299250. The cubic root of 3669481680 is about 1542.4161880163.

The spelling of 3669481680 in words is "three billion, six hundred sixty-nine million, four hundred eighty-one thousand, six hundred eighty".