1144734511740 has 96 divisors (see below), whose sum is σ = 3451323375360. Its totient is φ = 282436310016.

The previous prime is 1144734511651. The next prime is 1144734511747. The reversal of 1144734511740 is 471154374411.

It is a junction number, because it is equal to n+sod(n) for n = 1144734511692 and 1144734511701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144734511747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9450742 + ... + 9571101.

It is an arithmetic number, because the mean of its divisors is an integer number (35951285160).

Almost surely, 2^{1144734511740} is an apocalyptic number.

1144734511740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144734511740 is an abundant number, since it is smaller than the sum of its proper divisors (2306588863620).

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

1144734511740 is a wasteful number, since it uses less digits than its factorization.

1144734511740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19021931 (or 19021929 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 1144734511740 in words is "one trillion, one hundred forty-four billion, seven hundred thirty-four million, five hundred eleven thousand, seven hundred forty".