1140529780 has 24 divisors (see below), whose sum is σ = 2579352552. Its totient is φ = 421118592.

The previous prime is 1140529771. The next prime is 1140529781. The reversal of 1140529780 is 879250411.

It can be written as a sum of positive squares in 4 ways, for example, as 40678884 + 1099850896 = 6378^2 + 33164^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140529781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2193067 + ... + 2193586.

It is an arithmetic number, because the mean of its divisors is an integer number (107473023).

Almost surely, 2^1140529780 is an apocalyptic number.

1140529780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140529780 is an abundant number, since it is smaller than the sum of its proper divisors (1438822772).

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

1140529780 is a wasteful number, since it uses less digits than its factorization.

1140529780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4386675 (or 4386673 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 1140529780 is about 33771.7304857184. The cubic root of 1140529780 is about 1044.8057238257.

The spelling of 1140529780 in words is "one billion, one hundred forty million, five hundred twenty-nine thousand, seven hundred eighty".