1140844684 has 12 divisors (see below), whose sum is σ = 2281689424. Its totient is φ = 488933424.

The previous prime is 1140844681. The next prime is 1140844693. The reversal of 1140844684 is 4864480411.

It is a happy number.

1140844684 is an admirable number.

It is a super-2 number, since 2×1140844684² = 2603053186022119712, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1140844681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20372199 + ... + 20372254.

Almost surely, 2^1140844684 is an apocalyptic number.

1140844684 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1140844684 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1140844684 is a wasteful number, since it uses less digits than its factorization.

1140844684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40744464 (or 40744462 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The square root of 1140844684 is about 33776.3924065315. The cubic root of 1140844684 is about 1044.9018730689.

The spelling of 1140844684 in words is "one billion, one hundred forty million, eight hundred forty-four thousand, six hundred eighty-four".