1488816891936 has 120 divisors (see below), whose sum is σ = 4776620953104. Its totient is φ = 451156625280.

The previous prime is 1488816891923. The next prime is 1488816891937. The reversal of 1488816891936 is 6391986188841.

1488816891936 is a `hidden beast` number, since 1 + 488 + 81 + 68 + 9 + 1 + 9 + 3 + 6 = 666.

It is a super-2 number, since 2×1488816891936² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1488816891937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26080090 + ... + 26137113.

Almost surely, 2^{1488816891936} is an apocalyptic number.

1488816891936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1488816891936 is an abundant number, since it is smaller than the sum of its proper divisors (3287804061168).

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

1488816891936 is a wasteful number, since it uses less digits than its factorization.

1488816891936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52217236 (or 52217219 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 72.

The spelling of 1488816891936 in words is "one trillion, four hundred eighty-eight billion, eight hundred sixteen million, eight hundred ninety-one thousand, nine hundred thirty-six".