1040542705 has 8 divisors (see below), whose sum is σ = 1248832512. Its totient is φ = 832313328.

The previous prime is 1040542691. The next prime is 1040542757. The reversal of 1040542705 is 5072450401.

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

It is a cyclic number.

It is not a de Polignac number, because 1040542705 - 2⁷ = 1040542577 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 43344 + ... + 62926.

It is an arithmetic number, because the mean of its divisors is an integer number (156104064).

Almost surely, 2^1040542705 is an apocalyptic number.

It is an amenable number.

1040542705 is a deficient number, since it is larger than the sum of its proper divisors (208289807).

1040542705 is a wasteful number, since it uses less digits than its factorization.

1040542705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30215.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 1040542705 is about 32257.4441795998. Note that the first 3 decimals coincide. The cubic root of 1040542705 is about 1013.3356060828.

It can be divided in two parts, 10 and 40542705, that multiplied together give a triangular number (405427050 = T₂₈₄₇₅).

The spelling of 1040542705 in words is "one billion, forty million, five hundred forty-two thousand, seven hundred five".