662363279520 has 48 divisors (see below), whose sum is σ = 2086444332000. Its totient is φ = 176630207744.

The previous prime is 662363279483. The next prime is 662363279527. The reversal of 662363279520 is 25972363266.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×662363279520² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (662363279527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689961270 + ... + 689962229.

It is an arithmetic number, because the mean of its divisors is an integer number (43467590250).

Almost surely, 2^662363279520 is an apocalyptic number.

662363279520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

662363279520 is an abundant number, since it is smaller than the sum of its proper divisors (1424081052480).

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

662363279520 is a wasteful number, since it uses less digits than its factorization.

662363279520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379923517 (or 1379923509 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 51.

The spelling of 662363279520 in words is "six hundred sixty-two billion, three hundred sixty-three million, two hundred seventy-nine thousand, five hundred twenty".