3820633840 has 20 divisors (see below), whose sum is σ = 8882973864. Its totient is φ = 1528253504.

The previous prime is 3820633823. The next prime is 3820633841. The reversal of 3820633840 is 483360283.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 3820633840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3820633841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23878882 + ... + 23879041.

Almost surely, 2^3820633840 is an apocalyptic number.

It is an amenable number.

3820633840 is an abundant number, since it is smaller than the sum of its proper divisors (5062340024).

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

3820633840 is a wasteful number, since it uses less digits than its factorization.

3820633840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47757936 (or 47757930 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 3820633840 is about 61811.2759939479. The cubic root of 3820633840 is about 1563.3101201868.

The spelling of 3820633840 in words is "three billion, eight hundred twenty million, six hundred thirty-three thousand, eight hundred forty".