363749218540 has 12 divisors (see below), whose sum is σ = 763873358976. Its totient is φ = 145499687408.

The previous prime is 363749218531. The next prime is 363749218627. The reversal of 363749218540 is 45812947363.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9093730444 + ... + 9093730483.

It is an arithmetic number, because the mean of its divisors is an integer number (63656113248).

It is a 1-persistent number, because it is pandigital, but 2⋅363749218540 = 727498437080 is not.

Almost surely, 2^363749218540 is an apocalyptic number.

It is an amenable number.

363749218540 is an abundant number, since it is smaller than the sum of its proper divisors (400124140436).

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

363749218540 is a wasteful number, since it uses less digits than its factorization.

363749218540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18187460936 (or 18187460934 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 363749218540 in words is "three hundred sixty-three billion, seven hundred forty-nine million, two hundred eighteen thousand, five hundred forty".