3988370880 has 224 divisors, whose sum is σ = 15152827200. Its totient is φ = 981725184.

The previous prime is 3988370851. The next prime is 3988370909. The reversal of 3988370880 is 880738893.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3988370851) and next prime (3988370909).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94566 + ... + 130074.

It is an arithmetic number, because the mean of its divisors is an integer number (67646550).

Almost surely, 2^3988370880 is an apocalyptic number.

3988370880 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 3988370880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7576413600).

3988370880 is an abundant number, since it is smaller than the sum of its proper divisors (11164456320).

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

3988370880 is a wasteful number, since it uses less digits than its factorization.

3988370880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35548 (or 35532 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The square root of 3988370880 is about 63153.5500189815. The cubic root of 3988370880 is about 1585.8612189840.

The spelling of 3988370880 in words is "three billion, nine hundred eighty-eight million, three hundred seventy thousand, eight hundred eighty".