1488664343790 has 48 divisors (see below), whose sum is σ = 4168260165888. Its totient is φ = 366440453568.

The previous prime is 1488664343779. The next prime is 1488664343791. The reversal of 1488664343790 is 973434668841.

It is a happy number.

1488664343790 is a `hidden beast` number, since 1 + 4 + 8 + 86 + 6 + 434 + 37 + 90 = 666.

It is a super-2 number, since 2×1488664343790² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1488664343791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 636180174 + ... + 636182513.

It is an arithmetic number, because the mean of its divisors is an integer number (86838753456).

Almost surely, 2^{1488664343790} is an apocalyptic number.

1488664343790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1488664343790 is an abundant number, since it is smaller than the sum of its proper divisors (2679595822098).

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

1488664343790 is a wasteful number, since it uses less digits than its factorization.

1488664343790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272362713 (or 1272362710 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 63.

The spelling of 1488664343790 in words is "one trillion, four hundred eighty-eight billion, six hundred sixty-four million, three hundred forty-three thousand, seven hundred ninety".