1390797361800 has 960 divisors, whose sum is σ = 6034035047040. Its totient is φ = 288437760000.

The previous prime is 1390797361787. The next prime is 1390797361813. The reversal of 1390797361800 is 81637970931.

1390797361800 is a `hidden beast` number, since 1 + 390 + 7 + 9 + 73 + 6 + 180 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1390797361787) and next prime (1390797361813).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 1069021150 + ... + 1069022450.

It is an arithmetic number, because the mean of its divisors is an integer number (6285453174).

Almost surely, 2^{1390797361800} is an apocalyptic number.

1390797361800 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 1390797361800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3017017523520).

1390797361800 is an abundant number, since it is smaller than the sum of its proper divisors (4643237685240).

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

1390797361800 is a wasteful number, since it uses less digits than its factorization.

1390797361800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204 (or 2186 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The spelling of 1390797361800 in words is "one trillion, three hundred ninety billion, seven hundred ninety-seven million, three hundred sixty-one thousand, eight hundred".