1485806544 has 160 divisors (see below), whose sum is σ = 4405968000. Its totient is φ = 479093760.

The previous prime is 1485806537. The next prime is 1485806549. The reversal of 1485806544 is 4456085841.

It is a happy number.

1485806544 is a `hidden beast` number, since 1 + 4 + 8 + 580 + 65 + 4 + 4 = 666.

1485806544 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1485806544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485806549) 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, 2638807 + ... + 2639369.

It is an arithmetic number, because the mean of its divisors is an integer number (27537300).

Almost surely, 2^1485806544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1485806544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2202984000).

1485806544 is an abundant number, since it is smaller than the sum of its proper divisors (2920161456).

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

1485806544 is a wasteful number, since it uses less digits than its factorization.

1485806544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The square root of 1485806544 is about 38546.1612096458. The cubic root of 1485806544 is about 1141.0922495654.

The spelling of 1485806544 in words is "one billion, four hundred eighty-five million, eight hundred six thousand, five hundred forty-four".