3887142240 has 48 divisors (see below), whose sum is σ = 12244499568. Its totient is φ = 1036571136.

The previous prime is 3887142229. The next prime is 3887142299. The reversal of 3887142240 is 422417883.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4048627 + ... + 4049586.

It is an arithmetic number, because the mean of its divisors is an integer number (255093741).

Almost surely, 2^3887142240 is an apocalyptic number.

3887142240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3887142240 is an abundant number, since it is smaller than the sum of its proper divisors (8357357328).

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

3887142240 is a wasteful number, since it uses less digits than its factorization.

3887142240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8098231 (or 8098223 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 3887142240 is about 62346.9505268702. The cubic root of 3887142240 is about 1572.3291918509.

The spelling of 3887142240 in words is "three billion, eight hundred eighty-seven million, one hundred forty-two thousand, two hundred forty".