1486615440 has 80 divisors (see below), whose sum is σ = 4615972416. Its totient is φ = 395788800.

The previous prime is 1486615409. The next prime is 1486615453. The reversal of 1486615440 is 445166841.

1486615440 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153955 + ... + 163325.

Almost surely, 2^1486615440 is an apocalyptic number.

1486615440 is a gapful number since it is divisible by the number (10) 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 1486615440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2307986208).

1486615440 is an abundant number, since it is smaller than the sum of its proper divisors (3129356976).

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

1486615440 is a wasteful number, since it uses less digits than its factorization.

1486615440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10048 (or 10042 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 1486615440 is about 38556.6523443102. The cubic root of 1486615440 is about 1141.2992880721.

The spelling of 1486615440 in words is "one billion, four hundred eighty-six million, six hundred fifteen thousand, four hundred forty".