3885149520 has 120 divisors (see below), whose sum is σ = 14911593216. Its totient is φ = 888033024.

The previous prime is 3885149503. The next prime is 3885149539. The reversal of 3885149520 is 259415883.

3885149520 is a `hidden beast` number, since 3 + 8 + 85 + 1 + 49 + 520 = 666.

3885149520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 380392 + ... + 390471.

Almost surely, 2^3885149520 is an apocalyptic number.

3885149520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3885149520 is an abundant number, since it is smaller than the sum of its proper divisors (11026443696).

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

3885149520 is a wasteful number, since it uses less digits than its factorization.

3885149520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770889 (or 770880 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 3885149520 is about 62330.9675843396. The cubic root of 3885149520 is about 1572.0604642361.

The spelling of 3885149520 in words is "three billion, eight hundred eighty-five million, one hundred forty-nine thousand, five hundred twenty".