1140244550 has 48 divisors (see below), whose sum is σ = 2235205152. Its totient is φ = 431904000.

The previous prime is 1140244543. The next prime is 1140244607. The reversal of 1140244550 is 554420411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111242 + ... + 121058.

It is an arithmetic number, because the mean of its divisors is an integer number (46566774).

Almost surely, 2^1140244550 is an apocalyptic number.

1140244550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1140244550 is a deficient number, since it is larger than the sum of its proper divisors (1094960602).

1140244550 is a wasteful number, since it uses less digits than its factorization.

1140244550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9953 (or 9948 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1140244550 is about 33767.5073110231. The cubic root of 1140244550 is about 1044.7186196314.

Adding to 1140244550 its reverse (554420411), we get a palindrome (1694664961).

The spelling of 1140244550 in words is "one billion, one hundred forty million, two hundred forty-four thousand, five hundred fifty".