3640050894 has 16 divisors (see below), whose sum is σ = 7663265280. Its totient is φ = 1149489720.

The previous prime is 3640050881. The next prime is 3640050899. The reversal of 3640050894 is 4980500463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3640050899) 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, 15965022 + ... + 15965249.

It is an arithmetic number, because the mean of its divisors is an integer number (478954080).

Almost surely, 2^3640050894 is an apocalyptic number.

3640050894 is an abundant number, since it is smaller than the sum of its proper divisors (4023214386).

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

3640050894 is a wasteful number, since it uses less digits than its factorization.

3640050894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31930295.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 3640050894 is about 60332.8342944371. The cubic root of 3640050894 is about 1538.2815054791.

The spelling of 3640050894 in words is "three billion, six hundred forty million, fifty thousand, eight hundred ninety-four".