1040555642 has 8 divisors (see below), whose sum is σ = 1783809696. Its totient is φ = 445952412.

The previous prime is 1040555617. The next prime is 1040555671. The reversal of 1040555642 is 2465550401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1040555599 and 1040555608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37162688 + ... + 37162715.

It is an arithmetic number, because the mean of its divisors is an integer number (222976212).

Almost surely, 2^1040555642 is an apocalyptic number.

1040555642 is a deficient number, since it is larger than the sum of its proper divisors (743254054).

1040555642 is an equidigital number, since it uses as much as digits as its factorization.

1040555642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74325412.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 1040555642 is about 32257.6447063328. The cubic root of 1040555642 is about 1013.3398056441.

The spelling of 1040555642 in words is "one billion, forty million, five hundred fifty-five thousand, six hundred forty-two".