3638097750 has 128 divisors (see below), whose sum is σ = 10988669952. Its totient is φ = 782630400.

The previous prime is 3638097737. The next prime is 3638097769. The reversal of 3638097750 is 577908363.

It is a self number, because there is not a number n which added to its sum of digits gives 3638097750.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 68869 + ... + 109631.

It is an arithmetic number, because the mean of its divisors is an integer number (85848984).

Almost surely, 2^3638097750 is an apocalyptic number.

3638097750 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3638097750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5494334976).

3638097750 is an abundant number, since it is smaller than the sum of its proper divisors (7350572202).

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

3638097750 is a wasteful number, since it uses less digits than its factorization.

3638097750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40807 (or 40797 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 48.

The square root of 3638097750 is about 60316.6457124399. The cubic root of 3638097750 is about 1538.0063240862.

The spelling of 3638097750 in words is "three billion, six hundred thirty-eight million, ninety-seven thousand, seven hundred fifty".