3888287040 has 224 divisors, whose sum is σ = 13782422016. Its totient is φ = 920586240.

The previous prime is 3888287021. The next prime is 3888287041. The reversal of 3888287040 is 407828883.

It is a super-2 number, since 2×3888287040² = 30237552210863923200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3888287041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 449799 + ... + 458361.

Almost surely, 2^3888287040 is an apocalyptic number.

3888287040 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 3888287040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6891211008).

3888287040 is an abundant number, since it is smaller than the sum of its proper divisors (9894134976).

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

3888287040 is a wasteful number, since it uses less digits than its factorization.

3888287040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8637 (or 8627 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 48.

The square root of 3888287040 is about 62356.1307330723. The cubic root of 3888287040 is about 1572.4835319522.

The spelling of 3888287040 in words is "three billion, eight hundred eighty-eight million, two hundred eighty-seven thousand, forty".