1140806454 has 32 divisors (see below), whose sum is σ = 2451897216. Its totient is φ = 352556160.

The previous prime is 1140806453. The next prime is 1140806467. The reversal of 1140806454 is 4546080411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140806453) 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 15 ways as a sum of consecutive naturals, for example, 76632 + ... + 90299.

It is an arithmetic number, because the mean of its divisors is an integer number (76621788).

Almost surely, 2^1140806454 is an apocalyptic number.

1140806454 is an abundant number, since it is smaller than the sum of its proper divisors (1311090762).

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

1140806454 is a wasteful number, since it uses less digits than its factorization.

1140806454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167020.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 1140806454 is about 33775.8264739740. The cubic root of 1140806454 is about 1044.8902012947.

Adding to 1140806454 its reverse (4546080411), we get a palindrome (5686886865).

The spelling of 1140806454 in words is "one billion, one hundred forty million, eight hundred six thousand, four hundred fifty-four".