3980489040 has 200 divisors, whose sum is σ = 15081900768. Its totient is φ = 964949760.

The previous prime is 3980489027. The next prime is 3980489053. The reversal of 3980489040 is 409840893.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3980489027) and next prime (3980489053).

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 39 ways as a sum of consecutive naturals, for example, 43359 + ... + 99201.

Almost surely, 2^3980489040 is an apocalyptic number.

3980489040 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 3980489040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7540950384).

3980489040 is an abundant number, since it is smaller than the sum of its proper divisors (11101411728).

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

3980489040 is a wasteful number, since it uses less digits than its factorization.

3980489040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55879 (or 55864 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 3980489040 is about 63091.1169658614. The cubic root of 3980489040 is about 1584.8158675794.

The spelling of 3980489040 in words is "three billion, nine hundred eighty million, four hundred eighty-nine thousand, forty".