3887508240 has 240 divisors, whose sum is σ = 16277279616. Its totient is φ = 807782400.

The previous prime is 3887508199. The next prime is 3887508241. The reversal of 3887508240 is 428057883.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×3887508240² = 30225440632135795200, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (3887508241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20380 + ... + 90500.

Almost surely, 2^3887508240 is an apocalyptic number.

3887508240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3887508240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8138639808).

3887508240 is an abundant number, since it is smaller than the sum of its proper divisors (12389771376).

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

3887508240 is a wasteful number, since it uses less digits than its factorization.

3887508240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70158 (or 70149 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 3887508240 is about 62349.8856454445. The cubic root of 3887508240 is about 1572.3785386793.

The spelling of 3887508240 in words is "three billion, eight hundred eighty-seven million, five hundred eight thousand, two hundred forty".