3630549276 has 72 divisors (see below), whose sum is σ = 9527145264. Its totient is φ = 1208908800.

The previous prime is 3630549259. The next prime is 3630549281. The reversal of 3630549276 is 6729450363.

3630549276 is a `hidden beast` number, since 3 + 6 + 30 + 549 + 2 + 76 = 666.

It is a super-3 number, since 3×3630549276³ (a number of 30 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1555006 + ... + 1557338.

It is an arithmetic number, because the mean of its divisors is an integer number (132321462).

Almost surely, 2^3630549276 is an apocalyptic number.

3630549276 is a gapful number since it is divisible by the number (36) 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 3630549276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4763572632).

3630549276 is an abundant number, since it is smaller than the sum of its proper divisors (5896595988).

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

3630549276 is a wasteful number, since it uses less digits than its factorization.

3630549276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953 (or 3939 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 45.

The square root of 3630549276 is about 60254.0394994394. The cubic root of 3630549276 is about 1536.9418814229.

The spelling of 3630549276 in words is "three billion, six hundred thirty million, five hundred forty-nine thousand, two hundred seventy-six".