1140656454 has 24 divisors (see below), whose sum is σ = 2824482960. Its totient is φ = 325901808.

The previous prime is 1140656443. The next prime is 1140656477. The reversal of 1140656454 is 4546560411.

1140656454 is a `hidden beast` number, since 1 + 1 + 4 + 0 + 6 + 5 + 645 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4526289 + ... + 4526540.

It is an arithmetic number, because the mean of its divisors is an integer number (117686790).

Almost surely, 2^1140656454 is an apocalyptic number.

1140656454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1140656454 is an abundant number, since it is smaller than the sum of its proper divisors (1683826506).

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

1140656454 is a wasteful number, since it uses less digits than its factorization.

1140656454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9052844 (or 9052841 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 1140656454 is about 33773.6058779633. The cubic root of 1140656454 is about 1044.8444031667.

The spelling of 1140656454 in words is "one billion, one hundred forty million, six hundred fifty-six thousand, four hundred fifty-four".