1485888642 has 144 divisors (see below), whose sum is σ = 3956584320. Its totient is φ = 401030784.

The previous prime is 1485888637. The next prime is 1485888707. The reversal of 1485888642 is 2468885841.

1485888642 is a `hidden beast` number, since 1 + 485 + 88 + 86 + 4 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1805043 + ... + 1805865.

It is an arithmetic number, because the mean of its divisors is an integer number (27476280).

Almost surely, 2^1485888642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1485888642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1978292160).

1485888642 is an abundant number, since it is smaller than the sum of its proper divisors (2470695678).

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

1485888642 is a wasteful number, since it uses less digits than its factorization.

1485888642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957 (or 947 counting only the distinct ones).

The product of its digits is 3932160, while the sum is 54.

The square root of 1485888642 is about 38547.2261258836. The cubic root of 1485888642 is about 1141.1132661342.

The spelling of 1485888642 in words is "one billion, four hundred eighty-five million, eight hundred eighty-eight thousand, six hundred forty-two".