3716989440 has 160 divisors (see below), whose sum is σ = 11923433280. Its totient is φ = 987807744.

The previous prime is 3716989417. The next prime is 3716989447. The reversal of 3716989440 is 449896173.

It is a tau number, because it is divible by the number of its divisors (160).

It is not an unprimeable number, because it can be changed into a prime (3716989447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2910082 + ... + 2911358.

It is an arithmetic number, because the mean of its divisors is an integer number (74521458).

Almost surely, 2^3716989440 is an apocalyptic number.

3716989440 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 3716989440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5961716640).

3716989440 is an abundant number, since it is smaller than the sum of its proper divisors (8206443840).

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

3716989440 is a wasteful number, since it uses less digits than its factorization.

3716989440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682 (or 1666 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 3716989440 is about 60967.1176947049. The cubic root of 3716989440 is about 1549.0440779416.

The spelling of 3716989440 in words is "three billion, seven hundred sixteen million, nine hundred eighty-nine thousand, four hundred forty".