1140450262 has 48 divisors (see below), whose sum is σ = 2153302272. Its totient is φ = 442862640.

The previous prime is 1140450251. The next prime is 1140450263. The reversal of 1140450262 is 2620540411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140450263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111337 + ... + 121147.

It is an arithmetic number, because the mean of its divisors is an integer number (44860464).

Almost surely, 2^1140450262 is an apocalyptic number.

1140450262 is a deficient number, since it is larger than the sum of its proper divisors (1012852010).

1140450262 is a wasteful number, since it uses less digits than its factorization.

1140450262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9881 (or 9862 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1140450262 is about 33770.5531787680. The cubic root of 1140450262 is about 1044.7814418958.

Adding to 1140450262 its reverse (2620540411), we get a palindrome (3760990673).

The spelling of 1140450262 in words is "one billion, one hundred forty million, four hundred fifty thousand, two hundred sixty-two".