1390804992000 has 840 divisors, whose sum is σ = 5225328540432. Its totient is φ = 368050176000.

The previous prime is 1390804991993. The next prime is 1390804992007. The reversal of 1390804992000 is 2994080931.

1390804992000 is a `hidden beast` number, since 139 + 0 + 8 + 0 + 499 + 20 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1390804991993) and next prime (1390804992007).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390804992007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10616831935 + ... + 10616832065.

Almost surely, 2^{1390804992000} is an apocalyptic number.

1390804992000 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 1390804992000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2612664270216).

1390804992000 is an abundant number, since it is smaller than the sum of its proper divisors (3834523548432).

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

1390804992000 is an frugal number, since it uses more digits than its factorization.

1390804992000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 1390804992000 in words is "one trillion, three hundred ninety billion, eight hundred four million, nine hundred ninety-two thousand".