1140403340 has 24 divisors (see below), whose sum is σ = 2410713312. Its totient is φ = 453139200.

The previous prime is 1140403321. The next prime is 1140403361. The reversal of 1140403340 is 433040411.

It is a happy number.

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

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, 185789 + ... + 191828.

It is an arithmetic number, because the mean of its divisors is an integer number (100446388).

Almost surely, 2^1140403340 is an apocalyptic number.

1140403340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140403340 is an abundant number, since it is smaller than the sum of its proper divisors (1270309972).

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

1140403340 is a wasteful number, since it uses less digits than its factorization.

1140403340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377777 (or 377775 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1140403340 is about 33769.8584539527. The cubic root of 1140403340 is about 1044.7671130795.

Adding to 1140403340 its reverse (433040411), we get a palindrome (1573443751).

The spelling of 1140403340 in words is "one billion, one hundred forty million, four hundred three thousand, three hundred forty".