1390744533750 has 640 divisors, whose sum is σ = 4200125529600. Its totient is φ = 302453760000.

The previous prime is 1390744533679. The next prime is 1390744533757. The reversal of 1390744533750 is 573354470931.

It is a junction number, because it is equal to n+sod(n) for n = 1390744533693 and 1390744533702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390744533757) by changing a digit.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 3575178556 + ... + 3575178944.

It is an arithmetic number, because the mean of its divisors is an integer number (6562696140).

Almost surely, 2^{1390744533750} is an apocalyptic number.

1390744533750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1390744533750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2100062764800).

1390744533750 is an abundant number, since it is smaller than the sum of its proper divisors (2809380995850).

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

1390744533750 is a wasteful number, since it uses less digits than its factorization.

1390744533750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 51.

The spelling of 1390744533750 in words is "one trillion, three hundred ninety billion, seven hundred forty-four million, five hundred thirty-three thousand, seven hundred fifty".