1141430240 has 24 divisors (see below), whose sum is σ = 2696629320. Its totient is φ = 456572032.

The previous prime is 1141430239. The next prime is 1141430243. The reversal of 1141430240 is 420341411.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141430243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3566810 + ... + 3567129.

It is an arithmetic number, because the mean of its divisors is an integer number (112359555).

Almost surely, 2^1141430240 is an apocalyptic number.

1141430240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141430240 is an abundant number, since it is smaller than the sum of its proper divisors (1555199080).

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

1141430240 is an equidigital number, since it uses as much as digits as its factorization.

1141430240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7133954 (or 7133946 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1141430240 is about 33785.0594198086. The cubic root of 1141430240 is about 1045.0806131199.

Adding to 1141430240 its reverse (420341411), we get a palindrome (1561771651).

The spelling of 1141430240 in words is "one billion, one hundred forty-one million, four hundred thirty thousand, two hundred forty".