1141744760 has 64 divisors (see below), whose sum is σ = 2770891200. Its totient is φ = 420903936.

The previous prime is 1141744757. The next prime is 1141744783. The reversal of 1141744760 is 674471411.

It is a self number, because there is not a number n which added to its sum of digits gives 1141744760.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434972 + ... + 437588.

It is an arithmetic number, because the mean of its divisors is an integer number (43295175).

Almost surely, 2^1141744760 is an apocalyptic number.

1141744760 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 1141744760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1385445600).

1141744760 is an abundant number, since it is smaller than the sum of its proper divisors (1629146440).

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

1141744760 is a wasteful number, since it uses less digits than its factorization.

1141744760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480 (or 3476 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 1141744760 is about 33789.7138194451. The cubic root of 1141744760 is about 1045.1765946224.

The spelling of 1141744760 in words is "one billion, one hundred forty-one million, seven hundred forty-four thousand, seven hundred sixty".