1444931620750 has 64 divisors (see below), whose sum is σ = 2742142403520. Its totient is φ = 570049920000.

The previous prime is 1444931620739. The next prime is 1444931620763. The reversal of 1444931620750 is 570261394441.

It is a self number, because there is not a number n which added to its sum of digits gives 1444931620750.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8841277 + ... + 9003223.

It is an arithmetic number, because the mean of its divisors is an integer number (42845975055).

Almost surely, 2^{1444931620750} is an apocalyptic number.

1444931620750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1444931620750 is a deficient number, since it is larger than the sum of its proper divisors (1297210782770).

1444931620750 is a wasteful number, since it uses less digits than its factorization.

1444931620750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162454 (or 162444 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 1444931620750 in words is "one trillion, four hundred forty-four billion, nine hundred thirty-one million, six hundred twenty thousand, seven hundred fifty".