19977772364000 has 192 divisors, whose sum is σ = 53819533639872. Its totient is φ = 7227764992000.

The previous prime is 19977772363993. The next prime is 19977772364167. The reversal of 19977772364000 is 46327777991.

It is a super-2 number, since 2×19977772364000² (a number of 27 digits) contains 22 as substring.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 7515614 + ... + 9820386.

It is an arithmetic number, because the mean of its divisors is an integer number (280310071041).

Almost surely, 2^{19977772364000} is an apocalyptic number.

19977772364000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19977772364000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26909766819936).

19977772364000 is an abundant number, since it is smaller than the sum of its proper divisors (33841761275872).

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

19977772364000 is a wasteful number, since it uses less digits than its factorization.

19977772364000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305006 (or 2304988 counting only the distinct ones).

The product of its (nonzero) digits is 28005264, while the sum is 62.

The spelling of 19977772364000 in words is "nineteen trillion, nine hundred seventy-seven billion, seven hundred seventy-two million, three hundred sixty-four thousand".