1141706240 has 80 divisors (see below), whose sum is σ = 2768729040. Its totient is φ = 451461120.

The previous prime is 1141706239. The next prime is 1141706263. The reversal of 1141706240 is 426071411.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225335 + ... + 230345.

It is an arithmetic number, because the mean of its divisors is an integer number (34609113).

Almost surely, 2^1141706240 is an apocalyptic number.

1141706240 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 1141706240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1384364520).

1141706240 is an abundant number, since it is smaller than the sum of its proper divisors (1627022800).

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

1141706240 is an frugal number, since it uses more digits than its factorization.

1141706240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5123 (or 5107 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1141706240 is about 33789.1438186883. The cubic root of 1141706240 is about 1045.1648404906.

Adding to 1141706240 its reverse (426071411), we get a palindrome (1567777651).

The spelling of 1141706240 in words is "one billion, one hundred forty-one million, seven hundred six thousand, two hundred forty".