3850406528 has 16 divisors (see below), whose sum is σ = 7670732010. Its totient is φ = 1925203200.

The previous prime is 3850406519. The next prime is 3850406543. The reversal of 3850406528 is 8256040583.

It can be written as a sum of positive squares in only one way, i.e., 3656862784 + 193543744 = 60472^2 + 13912^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-3 number, since 3×3850406528³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15040523 + ... + 15040778.

Almost surely, 2^3850406528 is an apocalyptic number.

It is an amenable number.

3850406528 is a deficient number, since it is larger than the sum of its proper divisors (3820325482).

3850406528 is an equidigital number, since it uses as much as digits as its factorization.

3850406528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30081315 (or 30081303 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 3850406528 is about 62051.6440394612. The cubic root of 3850406528 is about 1567.3603701001.

The spelling of 3850406528 in words is "three billion, eight hundred fifty million, four hundred six thousand, five hundred twenty-eight".