3851050644 has 72 divisors (see below), whose sum is σ = 11710811840. Its totient is φ = 1042388352.

The previous prime is 3851050639. The next prime is 3851050691. The reversal of 3851050644 is 4460501583.

It is a happy number.

3851050644 is a `hidden beast` number, since 3 + 8 + 5 + 1 + 0 + 5 + 0 + 644 = 666.

3851050644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3851050599 and 3851050608.

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, 397369 + ... + 406944.

Almost surely, 2^3851050644 is an apocalyptic number.

It is an amenable number.

3851050644 is an abundant number, since it is smaller than the sum of its proper divisors (7859761196).

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

3851050644 is a wasteful number, since it uses less digits than its factorization.

3851050644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804349 (or 804344 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 3851050644 is about 62056.8339830514. The cubic root of 3851050644 is about 1567.4477639545.

The spelling of 3851050644 in words is "three billion, eight hundred fifty-one million, fifty thousand, six hundred forty-four".