3639034140 has 48 divisors (see below), whose sum is σ = 11644910592. Its totient is φ = 831779136.

The previous prime is 3639034129. The next prime is 3639034153. The reversal of 3639034140 is 414309363.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4331764 + ... + 4332603.

It is an arithmetic number, because the mean of its divisors is an integer number (242602304).

Almost surely, 2^3639034140 is an apocalyptic number.

3639034140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3639034140 is an abundant number, since it is smaller than the sum of its proper divisors (8005876452).

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

3639034140 is a wasteful number, since it uses less digits than its factorization.

3639034140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8664386 (or 8664384 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 3639034140 is about 60324.4074981263. The cubic root of 3639034140 is about 1538.1382657674.

The spelling of 3639034140 in words is "three billion, six hundred thirty-nine million, thirty-four thousand, one hundred forty".