1040687479 has 8 divisors (see below), whose sum is σ = 1123421040. Its totient is φ = 958336896.

The previous prime is 1040687447. The next prime is 1040687491. The reversal of 1040687479 is 9747860401.

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 1040687479 - 2⁵ = 1040687447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040687429) by changing a digit.

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, 90082 + ... + 100975.

It is an arithmetic number, because the mean of its divisors is an integer number (140427630).

Almost surely, 2^1040687479 is an apocalyptic number.

1040687479 is a deficient number, since it is larger than the sum of its proper divisors (82733561).

1040687479 is a wasteful number, since it uses less digits than its factorization.

1040687479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191489.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 1040687479 is about 32259.6881417040. The cubic root of 1040687479 is about 1013.3826001002.

The spelling of 1040687479 in words is "one billion, forty million, six hundred eighty-seven thousand, four hundred seventy-nine".