3835445520 has 40 divisors (see below), whose sum is σ = 11889881856. Its totient is φ = 1022785408.

The previous prime is 3835445503. The next prime is 3835445543. The reversal of 3835445520 is 255445383.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7990272 + ... + 7990751.

Almost surely, 2^3835445520 is an apocalyptic number.

3835445520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3835445520 is an abundant number, since it is smaller than the sum of its proper divisors (8054436336).

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

3835445520 is a wasteful number, since it uses less digits than its factorization.

3835445520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15981039 (or 15981033 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

The square root of 3835445520 is about 61930.9738337772. The cubic root of 3835445520 is about 1565.3277078474.

The spelling of 3835445520 in words is "three billion, eight hundred thirty-five million, four hundred forty-five thousand, five hundred twenty".