1141276440 has 64 divisors (see below), whose sum is σ = 3541903200. Its totient is φ = 293844992.

The previous prime is 1141276429. The next prime is 1141276441. The reversal of 1141276440 is 446721411.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1141276398 and 1141276407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141276441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160497 + ... + 167456.

Almost surely, 2^1141276440 is an apocalyptic number.

1141276440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141276440 is an abundant number, since it is smaller than the sum of its proper divisors (2400626760).

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

1141276440 is a wasteful number, since it uses less digits than its factorization.

1141276440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327996 (or 327992 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 1141276440 is about 33782.7831890743. The cubic root of 1141276440 is about 1045.0336718315.

Adding to 1141276440 its reverse (446721411), we get a palindrome (1587997851).

The spelling of 1141276440 in words is "one billion, one hundred forty-one million, two hundred seventy-six thousand, four hundred forty".